64377488 has 20 divisors (see below), whose sum is σ = 142550400. Its totient is φ = 27590304.

The previous prime is 64377473. The next prime is 64377499. The reversal of 64377488 is 88477346.

It is a super-2 number, since 2×64377488² = 8288921922380288, which contains 22 as substring.

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, 287288 + ... + 287511.

It is an arithmetic number, because the mean of its divisors is an integer number (7127520).

Almost surely, 2^64377488 is an apocalyptic number.

It is an amenable number.

64377488 is an abundant number, since it is smaller than the sum of its proper divisors (78172912).

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

64377488 is a wasteful number, since it uses less digits than its factorization.

64377488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574814 (or 574808 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 64377488 is about 8023.5583128684. The cubic root of 64377488 is about 400.7848921866.

The spelling of 64377488 in words is "sixty-four million, three hundred seventy-seven thousand, four hundred eighty-eight".