64712382 has 32 divisors (see below), whose sum is σ = 150004224. Its totient is φ = 18228000.

The previous prime is 64712381. The next prime is 64712393. The reversal of 64712382 is 28321746.

It is a super-2 number, since 2×64712382² = 8375384768227848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64712381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7869 + ... + 13832.

It is an arithmetic number, because the mean of its divisors is an integer number (4687632).

Almost surely, 2^64712382 is an apocalyptic number.

64712382 is an abundant number, since it is smaller than the sum of its proper divisors (85291842).

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

64712382 is a wasteful number, since it uses less digits than its factorization.

64712382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21784.

The product of its digits is 16128, while the sum is 33.

The square root of 64712382 is about 8044.4006613296. The cubic root of 64712382 is about 401.4786563697.

The spelling of 64712382 in words is "sixty-four million, seven hundred twelve thousand, three hundred eighty-two".