75704657 has 12 divisors (see below), whose sum is σ = 88208640. Its totient is φ = 64783656.

The previous prime is 75704647. The next prime is 75704659. The reversal of 75704657 is 75640757.

It is not a de Polignac number, because 75704657 - 2²⁰ = 74656081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75704659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50168 + ... + 51654.

It is an arithmetic number, because the mean of its divisors is an integer number (7350720).

Almost surely, 2^75704657 is an apocalyptic number.

It is an amenable number.

75704657 is a deficient number, since it is larger than the sum of its proper divisors (12503983).

75704657 is a wasteful number, since it uses less digits than its factorization.

75704657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 75704657 is about 8700.8423155462. The cubic root of 75704657 is about 423.0329527764.

The spelling of 75704657 in words is "seventy-five million, seven hundred four thousand, six hundred fifty-seven".