64587472 has 10 divisors (see below), whose sum is σ = 125138258. Its totient is φ = 32293728.

The previous prime is 64587469. The next prime is 64587487. The reversal of 64587472 is 27478546.

64587472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 58614336 + 5973136 = 7656^2 + 2444^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2018343 + ... + 2018374.

Almost surely, 2^64587472 is an apocalyptic number.

It is an amenable number.

64587472 is a deficient number, since it is larger than the sum of its proper divisors (60550786).

64587472 is a wasteful number, since it uses less digits than its factorization.

64587472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036725 (or 4036719 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 64587472 is about 8036.6331258805. The cubic root of 64587472 is about 401.2201741530.

The spelling of 64587472 in words is "sixty-four million, five hundred eighty-seven thousand, four hundred seventy-two".