64119700 has 18 divisors (see below), whose sum is σ = 139139966. Its totient is φ = 25647840.

The previous prime is 64119697. The next prime is 64119709. The reversal of 64119700 is 791146.

64119700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4613904 + 59505796 = 2148^2 + 7714^2 .

It is a super-2 number, since 2×64119700² = 8222671856180000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64119709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320499 + ... + 320698.

Almost surely, 2^64119700 is an apocalyptic number.

It is an amenable number.

64119700 is an abundant number, since it is smaller than the sum of its proper divisors (75020266).

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

64119700 is a wasteful number, since it uses less digits than its factorization.

64119700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641211 (or 641204 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 64119700 is about 8007.4777551986. The cubic root of 64119700 is about 400.2492196916.

The spelling of 64119700 in words is "sixty-four million, one hundred nineteen thousand, seven hundred".