64375772 has 6 divisors (see below), whose sum is σ = 112657608. Its totient is φ = 32187884.

The previous prime is 64375769. The next prime is 64375777. The reversal of 64375772 is 27757346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64375777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8046968 + ... + 8046975.

It is an arithmetic number, because the mean of its divisors is an integer number (18776268).

Almost surely, 2^64375772 is an apocalyptic number.

It is an amenable number.

64375772 is a deficient number, since it is larger than the sum of its proper divisors (48281836).

64375772 is a wasteful number, since it uses less digits than its factorization.

64375772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16093947 (or 16093945 counting only the distinct ones).

The product of its digits is 246960, while the sum is 41.

The square root of 64375772 is about 8023.4513770571. The cubic root of 64375772 is about 400.7813311437.

The spelling of 64375772 in words is "sixty-four million, three hundred seventy-five thousand, seven hundred seventy-two".