74677457 has 2 divisors, whose sum is σ = 74677458. Its totient is φ = 74677456.

The previous prime is 74677453. The next prime is 74677483. The reversal of 74677457 is 75477647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52765696 + 21911761 = 7264^2 + 4681^2 .

It is a cyclic number.

It is not a de Polignac number, because 74677457 - 2² = 74677453 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74677453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37338728 + 37338729.

It is an arithmetic number, because the mean of its divisors is an integer number (37338729).

Almost surely, 2^74677457 is an apocalyptic number.

It is an amenable number.

74677457 is a deficient number, since it is larger than the sum of its proper divisors (1).

74677457 is an equidigital number, since it uses as much as digits as its factorization.

74677457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152480, while the sum is 47.

The square root of 74677457 is about 8641.6119445391. The cubic root of 74677457 is about 421.1109232791.

The spelling of 74677457 in words is "seventy-four million, six hundred seventy-seven thousand, four hundred fifty-seven".