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74085097 = 80179241
BaseRepresentation
bin1000110101001…
…11001011101001
312011101220122111
410122213023221
5122431210342
611203522321
71556466352
oct432471351
9164356574
1074085097
1138901259
12209893a1
131246c048
149ba6d29
156786217
hex46a72e9

74085097 has 4 divisors (see below), whose sum is σ = 74102356. Its totient is φ = 74067840.

The previous prime is 74085091. The next prime is 74085103. The reversal of 74085097 is 79058047.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (74085091) and next prime (74085103).

It can be written as a sum of positive squares in 2 ways, for example, as 62552281 + 11532816 = 7909^2 + 3396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74085097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74085091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397 + ... + 12637.

It is an arithmetic number, because the mean of its divisors is an integer number (18525589).

Almost surely, 274085097 is an apocalyptic number.

It is an amenable number.

74085097 is a deficient number, since it is larger than the sum of its proper divisors (17259).

74085097 is an equidigital number, since it uses as much as digits as its factorization.

74085097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17258.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 74085097 is about 8607.2700085451. The cubic root of 74085097 is about 419.9945142897.

The spelling of 74085097 in words is "seventy-four million, eighty-five thousand, ninety-seven".

Divisors: 1 8017 9241 74085097