75306864 has 40 divisors (see below), whose sum is σ = 195959680. Its totient is φ = 24919488.

The previous prime is 75306859. The next prime is 75306883. The reversal of 75306864 is 46860357.

It is a super-2 number, since 2×75306864² = 11342247531028992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (4898992).

Almost surely, 2^75306864 is an apocalyptic number.

It is an amenable number.

75306864 is an abundant number, since it is smaller than the sum of its proper divisors (120652816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75306864 is a wasteful number, since it uses less digits than its factorization.

75306864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11437 (or 11431 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 75306864 is about 8677.9527539622. The cubic root of 75306864 is about 422.2907036147.

The spelling of 75306864 in words is "seventy-five million, three hundred six thousand, eight hundred sixty-four".