64748572 has 48 divisors (see below), whose sum is σ = 132991488. Its totient is φ = 27011520.

The previous prime is 64748543. The next prime is 64748609. The reversal of 64748572 is 27584746.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285123 + ... + 285349.

It is an arithmetic number, because the mean of its divisors is an integer number (2770656).

Almost surely, 2^64748572 is an apocalyptic number.

It is an amenable number.

64748572 is an abundant number, since it is smaller than the sum of its proper divisors (68242916).

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

64748572 is a wasteful number, since it uses less digits than its factorization.

64748572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

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

The square root of 64748572 is about 8046.6497376237. The cubic root of 64748572 is about 401.5534839089.

The spelling of 64748572 in words is "sixty-four million, seven hundred forty-eight thousand, five hundred seventy-two".