64772682 has 16 divisors (see below), whose sum is σ = 139510560. Its totient is φ = 19930032.

The previous prime is 64772677. The next prime is 64772693. The reversal of 64772682 is 28627746.

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, 415132 + ... + 415287.

It is an arithmetic number, because the mean of its divisors is an integer number (8719410).

Almost surely, 2^64772682 is an apocalyptic number.

64772682 is an abundant number, since it is smaller than the sum of its proper divisors (74737878).

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

64772682 is a wasteful number, since it uses less digits than its factorization.

64772682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830437.

The product of its digits is 225792, while the sum is 42.

The square root of 64772682 is about 8048.1477372126. The cubic root of 64772682 is about 401.6033190006.

The spelling of 64772682 in words is "sixty-four million, seven hundred seventy-two thousand, six hundred eighty-two".