64090792 has 16 divisors (see below), whose sum is σ = 121049460. Its totient is φ = 31810944.

The previous prime is 64090739. The next prime is 64090843. The reversal of 64090792 is 29709046.

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 2090916 = 7874^2 + 1446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28143 + ... + 30334.

Almost surely, 2^64090792 is an apocalyptic number.

It is an amenable number.

64090792 is a deficient number, since it is larger than the sum of its proper divisors (56958668).

64090792 is a wasteful number, since it uses less digits than its factorization.

64090792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58620 (or 58616 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 64090792 is about 8005.6724889293. The cubic root of 64090792 is about 400.1890606261.

The spelling of 64090792 in words is "sixty-four million, ninety thousand, seven hundred ninety-two".