64037572 has 48 divisors (see below), whose sum is σ = 123282432. Its totient is φ = 28984320.

The previous prime is 64037551. The next prime is 64037573. The reversal of 64037572 is 27573046.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (64037573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287053 + ... + 287275.

It is an arithmetic number, because the mean of its divisors is an integer number (2568384).

Almost surely, 2^64037572 is an apocalyptic number.

It is an amenable number.

64037572 is a deficient number, since it is larger than the sum of its proper divisors (59244860).

64037572 is a wasteful number, since it uses less digits than its factorization.

64037572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 64037572 is about 8002.3479054587. The cubic root of 64037572 is about 400.0782596876.

The spelling of 64037572 in words is "sixty-four million, thirty-seven thousand, five hundred seventy-two".