756642475 has 24 divisors (see below), whose sum is σ = 962737488. Its totient is φ = 589699200.

The previous prime is 756642461. The next prime is 756642479. The reversal of 756642475 is 574246657.

It is not a de Polignac number, because 756642475 - 2⁷ = 756642347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (756642479) 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, 160857 + ... + 165493.

It is an arithmetic number, because the mean of its divisors is an integer number (40114062).

Almost surely, 2^756642475 is an apocalyptic number.

756642475 is a deficient number, since it is larger than the sum of its proper divisors (206095013).

756642475 is a wasteful number, since it uses less digits than its factorization.

756642475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815 (or 4810 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 46.

The square root of 756642475 is about 27507.1349834911. The cubic root of 756642475 is about 911.2346783489.

The spelling of 756642475 in words is "seven hundred fifty-six million, six hundred forty-two thousand, four hundred seventy-five".