64807492 has 24 divisors (see below), whose sum is σ = 116600960. Its totient is φ = 31505760.

The previous prime is 64807481. The next prime is 64807517. The reversal of 64807492 is 29470846.

64807492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64807492² = 8400022038660128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19642 + ... + 22702.

Almost surely, 2^64807492 is an apocalyptic number.

It is an amenable number.

64807492 is a deficient number, since it is larger than the sum of its proper divisors (51793468).

64807492 is a wasteful number, since it uses less digits than its factorization.

64807492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 64807492 is about 8050.3100561407. The cubic root of 64807492 is about 401.6752490567.

The spelling of 64807492 in words is "sixty-four million, eight hundred seven thousand, four hundred ninety-two".