64791792 has 160 divisors (see below), whose sum is σ = 204153600. Its totient is φ = 19554048.

The previous prime is 64791791. The next prime is 64791809. The reversal of 64791792 is 29719746.

64791792 is a `hidden beast` number, since 6 + 479 + 179 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (190512) is a multiple of the sum of its prime factors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64791791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466059 + ... + 466197.

It is an arithmetic number, because the mean of its divisors is an integer number (1275960).

Almost surely, 2^64791792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64791792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102076800).

64791792 is an abundant number, since it is smaller than the sum of its proper divisors (139361808).

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

64791792 is a wasteful number, since it uses less digits than its factorization.

64791792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 240 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 64791792 is about 8049.3348793549. The cubic root of 64791792 is about 401.6428103651.

The spelling of 64791792 in words is "sixty-four million, seven hundred ninety-one thousand, seven hundred ninety-two".