64773936 has 60 divisors (see below), whose sum is σ = 187540080. Its totient is φ = 20845440.

The previous prime is 64773913. The next prime is 64773941. The reversal of 64773936 is 63937746.

It is a junction number, because it is equal to n+sod(n) for n = 64773891 and 64773900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3580 + ... + 11931.

It is an arithmetic number, because the mean of its divisors is an integer number (3125668).

Almost surely, 2^64773936 is an apocalyptic number.

It is an amenable number.

64773936 is an abundant number, since it is smaller than the sum of its proper divisors (122766144).

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

64773936 is a wasteful number, since it uses less digits than its factorization.

64773936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15554 (or 15545 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 64773936 is about 8048.2256429601. The cubic root of 64773936 is about 401.6059106657.

The spelling of 64773936 in words is "sixty-four million, seven hundred seventy-three thousand, nine hundred thirty-six".