64472788 has 12 divisors (see below), whose sum is σ = 113192352. Its totient is φ = 32132120.

The previous prime is 64472783. The next prime is 64472803. The reversal of 64472788 is 88727446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64472783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24670 + ... + 27157.

It is an arithmetic number, because the mean of its divisors is an integer number (9432696).

Almost surely, 2^64472788 is an apocalyptic number.

It is an amenable number.

64472788 is a deficient number, since it is larger than the sum of its proper divisors (48719564).

64472788 is a wasteful number, since it uses less digits than its factorization.

64472788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52142 (or 52140 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 64472788 is about 8029.4948782598. The cubic root of 64472788 is about 400.9825594660.

The spelling of 64472788 in words is "sixty-four million, four hundred seventy-two thousand, seven hundred eighty-eight".