74585057 has 2 divisors, whose sum is σ = 74585058. Its totient is φ = 74585056.

The previous prime is 74585047. The next prime is 74585087. The reversal of 74585057 is 75058547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43771456 + 30813601 = 6616^2 + 5551^2 .

It is a cyclic number.

It is not a de Polignac number, because 74585057 - 2⁴ = 74585041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74585047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37292528 + 37292529.

It is an arithmetic number, because the mean of its divisors is an integer number (37292529).

Almost surely, 2^74585057 is an apocalyptic number.

It is an amenable number.

74585057 is a deficient number, since it is larger than the sum of its proper divisors (1).

74585057 is an equidigital number, since it uses as much as digits as its factorization.

74585057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 74585057 is about 8636.2640649762. The cubic root of 74585057 is about 420.9371684395.

The spelling of 74585057 in words is "seventy-four million, five hundred eighty-five thousand, fifty-seven".