75486664 has 32 divisors (see below), whose sum is σ = 163490400. Its totient is φ = 32293120.

The previous prime is 75486611. The next prime is 75486673. The reversal of 75486664 is 46668457.

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, 23734 + ... + 26725.

It is an arithmetic number, because the mean of its divisors is an integer number (5109075).

Almost surely, 2^75486664 is an apocalyptic number.

It is an amenable number.

75486664 is an abundant number, since it is smaller than the sum of its proper divisors (88003736).

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

75486664 is a wasteful number, since it uses less digits than its factorization.

75486664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50493 (or 50489 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 75486664 is about 8688.3061640345. The cubic root of 75486664 is about 422.6265186030.

The spelling of 75486664 in words is "seventy-five million, four hundred eighty-six thousand, six hundred sixty-four".