74097657 has 24 divisors (see below), whose sum is σ = 112589568. Its totient is φ = 46893600.

The previous prime is 74097641. The next prime is 74097671. The reversal of 74097657 is 75679047.

It is not a de Polignac number, because 74097657 - 2⁴ = 74097641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74097157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12282 + ... + 17292.

It is an arithmetic number, because the mean of its divisors is an integer number (4691232).

Almost surely, 2^74097657 is an apocalyptic number.

It is an amenable number.

74097657 is a deficient number, since it is larger than the sum of its proper divisors (38491911).

74097657 is a wasteful number, since it uses less digits than its factorization.

74097657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 74097657 is about 8607.9995934015. Note that the first 3 decimals coincide. The cubic root of 74097657 is about 420.0182475065.

The spelling of 74097657 in words is "seventy-four million, ninety-seven thousand, six hundred fifty-seven".