64793616 has 20 divisors (see below), whose sum is σ = 167383632. Its totient is φ = 21597856.

The previous prime is 64793611. The next prime is 64793711. The reversal of 64793616 is 61639746.

It is not an unprimeable number, because it can be changed into a prime (64793611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674886 + ... + 674981.

Almost surely, 2^64793616 is an apocalyptic number.

It is an amenable number.

64793616 is an abundant number, since it is smaller than the sum of its proper divisors (102590016).

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

64793616 is a wasteful number, since it uses less digits than its factorization.

64793616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349878 (or 1349872 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 64793616 is about 8049.4481798444. The cubic root of 64793616 is about 401.6465793076.

The spelling of 64793616 in words is "sixty-four million, seven hundred ninety-three thousand, six hundred sixteen".