75664654 has 32 divisors (see below), whose sum is σ = 133902720. Its totient is φ = 31729152.

The previous prime is 75664619. The next prime is 75664663. The reversal of 75664654 is 45646657.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75664654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9867 + ... + 15769.

It is an arithmetic number, because the mean of its divisors is an integer number (4184460).

Almost surely, 2^75664654 is an apocalyptic number.

75664654 is a deficient number, since it is larger than the sum of its proper divisors (58238066).

75664654 is a wasteful number, since it uses less digits than its factorization.

75664654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964.

The product of its digits is 604800, while the sum is 43.

The square root of 75664654 is about 8698.5432113659. The cubic root of 75664654 is about 422.9584282163.

The spelling of 75664654 in words is "seventy-five million, six hundred sixty-four thousand, six hundred fifty-four".