75664236 has 12 divisors (see below), whose sum is σ = 176549912. Its totient is φ = 25221408.

The previous prime is 75664207. The next prime is 75664241. The reversal of 75664236 is 63246657.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 75664194 and 75664203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152665 + ... + 3152688.

Almost surely, 2^75664236 is an apocalyptic number.

It is an amenable number.

75664236 is an abundant number, since it is smaller than the sum of its proper divisors (100885676).

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

75664236 is a wasteful number, since it uses less digits than its factorization.

75664236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305360 (or 6305358 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 75664236 is about 8698.5191843210. The cubic root of 75664236 is about 422.9576493544.

The spelling of 75664236 in words is "seventy-five million, six hundred sixty-four thousand, two hundred thirty-six".