75023864 has 32 divisors (see below), whose sum is σ = 145815120. Its totient is φ = 36158976.

The previous prime is 75023849. The next prime is 75023867. The reversal of 75023864 is 46832057.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75023867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32327 + ... + 34569.

Almost surely, 2^75023864 is an apocalyptic number.

75023864 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

75023864 is a deficient number, since it is larger than the sum of its proper divisors (70791256).

75023864 is a wasteful number, since it uses less digits than its factorization.

75023864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 75023864 is about 8661.6317169457. The cubic root of 75023864 is about 421.7610560791.

The spelling of 75023864 in words is "seventy-five million, twenty-three thousand, eight hundred sixty-four".