64823080 has 48 divisors (see below), whose sum is σ = 169669620. Its totient is φ = 22224384.

The previous prime is 64823029. The next prime is 64823093. The reversal of 64823080 is 8032846.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64352484 + 470596 = 8022^2 + 686^2 .

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, 14577 + ... + 18496.

Almost surely, 2^64823080 is an apocalyptic number.

It is an amenable number.

64823080 is an abundant number, since it is smaller than the sum of its proper divisors (104846540).

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

64823080 is a wasteful number, since it uses less digits than its factorization.

64823080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33098 (or 33087 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 64823080 is about 8051.2781593980. The cubic root of 64823080 is about 401.7074511558.

The spelling of 64823080 in words is "sixty-four million, eight hundred twenty-three thousand, eighty".