234640975 has 18 divisors (see below), whose sum is σ = 307086000. Its totient is φ = 177826320.

The previous prime is 234640961. The next prime is 234640993. The reversal of 234640975 is 579046432.

It is a happy number.

It is not a de Polignac number, because 234640975 - 2¹⁵ = 234608207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3975 + ... + 22024.

Almost surely, 2^234640975 is an apocalyptic number.

234640975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

234640975 is a deficient number, since it is larger than the sum of its proper divisors (72445025).

234640975 is a wasteful number, since it uses less digits than its factorization.

234640975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26047 (or 26023 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 234640975 is about 15317.9951364400. The cubic root of 234640975 is about 616.7861573498.

The spelling of 234640975 in words is "two hundred thirty-four million, six hundred forty thousand, nine hundred seventy-five".