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74704057 is a prime number
BaseRepresentation
bin1000111001111…
…10010010111001
312012120100200221
410130332102321
5123111012212
611225100041
71564655041
oct434762271
9165510627
1074704057
113919429a
1221027621
13126279ac
149cc8721
156859807
hex473e4b9

74704057 has 2 divisors, whose sum is σ = 74704058. Its totient is φ = 74704056.

The previous prime is 74704033. The next prime is 74704081. The reversal of 74704057 is 75040747.

It is a balanced prime because it is at equal distance from previous prime (74704033) and next prime (74704081).

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 2725801 = 8484^2 + 1651^2 .

It is a cyclic number.

It is not a de Polignac number, because 74704057 - 211 = 74702009 is a prime.

It is a super-2 number, since 2×747040572 = 11161392264518498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74704657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37352028 + 37352029.

It is an arithmetic number, because the mean of its divisors is an integer number (37352029).

Almost surely, 274704057 is an apocalyptic number.

It is an amenable number.

74704057 is a deficient number, since it is larger than the sum of its proper divisors (1).

74704057 is an equidigital number, since it uses as much as digits as its factorization.

74704057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 74704057 is about 8643.1508722225. The cubic root of 74704057 is about 421.1609170402.

The spelling of 74704057 in words is "seventy-four million, seven hundred four thousand, fifty-seven".