64772082 has 32 divisors (see below), whose sum is σ = 148584960. Its totient is φ = 20893680.

The previous prime is 64772047. The next prime is 64772131. The reversal of 64772082 is 28027746.

64772082 is a `hidden beast` number, since 647 + 7 + 2 + 0 + 8 + 2 = 666.

It is a super-2 number, since 2×64772082² = 8390845213229448, which contains 22 as substring.

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, 17673 + ... + 21020.

It is an arithmetic number, because the mean of its divisors is an integer number (4643280).

Almost surely, 2^64772082 is an apocalyptic number.

64772082 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64772082 is an abundant number, since it is smaller than the sum of its proper divisors (83812878).

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

64772082 is a wasteful number, since it uses less digits than its factorization.

64772082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38735 (or 38729 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 64772082 is about 8048.1104614686. The cubic root of 64772082 is about 401.6020789576.

The spelling of 64772082 in words is "sixty-four million, seven hundred seventy-two thousand, eighty-two".