64482720 has 48 divisors (see below), whose sum is σ = 203122080. Its totient is φ = 17195264.

The previous prime is 64482707. The next prime is 64482739. The reversal of 64482720 is 2728446.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66690 + ... + 67649.

It is an arithmetic number, because the mean of its divisors is an integer number (4231710).

Almost surely, 2^64482720 is an apocalyptic number.

64482720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64482720 is an abundant number, since it is smaller than the sum of its proper divisors (138639360).

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

64482720 is a wasteful number, since it uses less digits than its factorization.

64482720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134357 (or 134349 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 64482720 is about 8030.1133242315. The cubic root of 64482720 is about 401.0031487948.

The spelling of 64482720 in words is "sixty-four million, four hundred eighty-two thousand, seven hundred twenty".