64377612 has 48 divisors (see below), whose sum is σ = 179747680. Its totient is φ = 19808064.

The previous prime is 64377611. The next prime is 64377613. The reversal of 64377612 is 21677346.

64377612 is a `hidden beast` number, since 6 + 4 + 37 + 7 + 612 = 666.

64377612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64377611) and next prime (64377613).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64377611) 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 15 ways as a sum of consecutive naturals, for example, 21523 + ... + 24330.

Almost surely, 2^64377612 is an apocalyptic number.

It is an amenable number.

64377612 is an abundant number, since it is smaller than the sum of its proper divisors (115370068).

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

64377612 is a wasteful number, since it uses less digits than its factorization.

64377612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45879 (or 45871 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 64377612 is about 8023.5660401096. The cubic root of 64377612 is about 400.7851495089.

The spelling of 64377612 in words is "sixty-four million, three hundred seventy-seven thousand, six hundred twelve".