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74271373 = 112613813
BaseRepresentation
bin1000110110101…
…00101010001101
312011202101011121
410123110222031
5123003140443
611211520541
71561203421
oct433245215
9164671147
1074271373
1138a19200
1220a59151
1312505a77
149c14b81
1567c14ed
hex46d4a8d

74271373 has 6 divisors (see below), whose sum is σ = 81637262. Its totient is φ = 67519320.

The previous prime is 74271311. The next prime is 74271389. The reversal of 74271373 is 37317247.

It can be written as a sum of positive squares in only one way, i.e., 65901924 + 8369449 = 8118^2 + 2893^2 .

It is not a de Polignac number, because 74271373 - 225 = 40716941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74271473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306786 + ... + 307027.

Almost surely, 274271373 is an apocalyptic number.

It is an amenable number.

74271373 is a deficient number, since it is larger than the sum of its proper divisors (7365889).

74271373 is a wasteful number, since it uses less digits than its factorization.

74271373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613835 (or 613824 counting only the distinct ones).

The product of its digits is 24696, while the sum is 34.

The square root of 74271373 is about 8618.0840678193. The cubic root of 74271373 is about 420.3462243399.

The spelling of 74271373 in words is "seventy-four million, two hundred seventy-one thousand, three hundred seventy-three".

Divisors: 1 11 121 613813 6751943 74271373