64293812 has 24 divisors (see below), whose sum is σ = 126977760. Its totient is φ = 28216160.

The previous prime is 64293793. The next prime is 64293821. The reversal of 64293812 is 21839246.

It is a super-2 number, since 2×64293812² = 8267388522982688, which contains 22 as substring.

It is a congruent number.

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, 23918 + ... + 26469.

It is an arithmetic number, because the mean of its divisors is an integer number (5290740).

Almost surely, 2^64293812 is an apocalyptic number.

It is an amenable number.

64293812 is a deficient number, since it is larger than the sum of its proper divisors (62683948).

64293812 is a wasteful number, since it uses less digits than its factorization.

64293812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50431 (or 50429 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 64293812 is about 8018.3422226792. The cubic root of 64293812 is about 400.6111740235.

The spelling of 64293812 in words is "sixty-four million, two hundred ninety-three thousand, eight hundred twelve".