64826812 has 24 divisors (see below), whose sum is σ = 116865504. Its totient is φ = 31442112.

The previous prime is 64826809. The next prime is 64826833. The reversal of 64826812 is 21862846.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 95418 + ... + 96094.

It is an arithmetic number, because the mean of its divisors is an integer number (4869396).

Almost surely, 2^64826812 is an apocalyptic number.

It is an amenable number.

64826812 is a deficient number, since it is larger than the sum of its proper divisors (52038692).

64826812 is a wasteful number, since it uses less digits than its factorization.

64826812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 64826812 is about 8051.5099205056. The cubic root of 64826812 is about 401.7151600533.

The spelling of 64826812 in words is "sixty-four million, eight hundred twenty-six thousand, eight hundred twelve".