75273564 has 24 divisors (see below), whose sum is σ = 179724160. Its totient is φ = 24507504.

The previous prime is 75273529. The next prime is 75273571. The reversal of 75273564 is 46537257.

It is a super-2 number, since 2×75273564² = 11332218874524192, 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, 72424 + ... + 73455.

Almost surely, 2^75273564 is an apocalyptic number.

It is an amenable number.

75273564 is an abundant number, since it is smaller than the sum of its proper divisors (104450596).

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

75273564 is a wasteful number, since it uses less digits than its factorization.

75273564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145929 (or 145927 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 75273564 is about 8676.0338865175. The cubic root of 75273564 is about 422.2284500877.

The spelling of 75273564 in words is "seventy-five million, two hundred seventy-three thousand, five hundred sixty-four".