634402275 has 24 divisors (see below), whose sum is σ = 1129563120. Its totient is φ = 312320640.

The previous prime is 634402271. The next prime is 634402291. The reversal of 634402275 is 572204436.

634402275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634402275 - 2² = 634402271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634402271) 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, 324360 + ... + 326309.

It is an arithmetic number, because the mean of its divisors is an integer number (47065130).

Almost surely, 2^634402275 is an apocalyptic number.

634402275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

634402275 is a deficient number, since it is larger than the sum of its proper divisors (495160845).

634402275 is a wasteful number, since it uses less digits than its factorization.

634402275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650695 (or 650690 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 634402275 is about 25187.3435479012. The cubic root of 634402275 is about 859.2540290769.

The spelling of 634402275 in words is "six hundred thirty-four million, four hundred two thousand, two hundred seventy-five".