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74007400073 = 732987333937
BaseRepresentation
bin100010011101100101…
…1110100111010001001
321002000200222110022112
41010323023310322021
52203031343300243
653555403232105
75226654343535
oct1047313647211
9232020873275
1074007400073
1129428280062
1212414b18635
136c9575a3b9
143820d34bc5
151dd2348818
hex113b2f4e89

74007400073 has 8 divisors (see below), whose sum is σ = 75025922088. Its totient is φ = 72989005824.

The previous prime is 74007400063. The next prime is 74007400139. The reversal of 74007400073 is 37000470047.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56611636624 + 17395763449 = 237932^2 + 131893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74007400073 - 212 = 74007395977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74007400063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2163761 + ... + 2197697.

It is an arithmetic number, because the mean of its divisors is an integer number (9378240261).

Almost surely, 274007400073 is an apocalyptic number.

74007400073 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

74007400073 is a deficient number, since it is larger than the sum of its proper divisors (1018522015).

74007400073 is a wasteful number, since it uses less digits than its factorization.

74007400073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63883.

The product of its (nonzero) digits is 16464, while the sum is 32.

The spelling of 74007400073 in words is "seventy-four billion, seven million, four hundred thousand, seventy-three".

Divisors: 1 73 29873 33937 2180729 2477401 1013800001 74007400073