74656957 has 2 divisors, whose sum is σ = 74656958. Its totient is φ = 74656956.

The previous prime is 74656951. The next prime is 74656963. The reversal of 74656957 is 75965647.

It is a balanced prime because it is at equal distance from previous prime (74656951) and next prime (74656963).

It can be written as a sum of positive squares in only one way, i.e., 62188996 + 12467961 = 7886^2 + 3531^2 .

It is a cyclic number.

It is not a de Polignac number, because 74656957 - 2³ = 74656949 is a prime.

It is a super-2 number, since 2×74656957² = 11147322456999698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74656957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74656951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37328478 + 37328479.

It is an arithmetic number, because the mean of its divisors is an integer number (37328479).

Almost surely, 2^74656957 is an apocalyptic number.

It is an amenable number.

74656957 is a deficient number, since it is larger than the sum of its proper divisors (1).

74656957 is an equidigital number, since it uses as much as digits as its factorization.

74656957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 49.

The square root of 74656957 is about 8640.4257418255. The cubic root of 74656957 is about 421.0723861518.

It can be divided in two parts, 7 and 4656957, that added together give a square (4656964 = 2158²).

The spelling of 74656957 in words is "seventy-four million, six hundred fifty-six thousand, nine hundred fifty-seven".