75727564 has 12 divisors (see below), whose sum is σ = 144570888. Its totient is φ = 34421600.

The previous prime is 75727549. The next prime is 75727633. The reversal of 75727564 is 46572757.

It is a self number, because there is not a number n which added to its sum of digits gives 75727564.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860497 + ... + 860584.

It is an arithmetic number, because the mean of its divisors is an integer number (12047574).

Almost surely, 2^75727564 is an apocalyptic number.

It is an amenable number.

75727564 is a deficient number, since it is larger than the sum of its proper divisors (68843324).

75727564 is a wasteful number, since it uses less digits than its factorization.

75727564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721096 (or 1721094 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 75727564 is about 8702.1585827885. The cubic root of 75727564 is about 423.0756161079.

The spelling of 75727564 in words is "seventy-five million, seven hundred twenty-seven thousand, five hundred sixty-four".