64752912 has 320 divisors, whose sum is σ = 238080000. Its totient is φ = 16765056.

The previous prime is 64752901. The next prime is 64752937. The reversal of 64752912 is 21925746.

64752912 is a `hidden beast` number, since 647 + 5 + 2 + 9 + 1 + 2 = 666.

It is a super-2 number, since 2×64752912² = 8385879224959488, which contains 22 as substring.

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

Its product of digits (30240) is a multiple of the sum of its prime divisors (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2815333 + ... + 2815355.

It is an arithmetic number, because the mean of its divisors is an integer number (744000).

Almost surely, 2^64752912 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 64752912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119040000).

64752912 is an abundant number, since it is smaller than the sum of its proper divisors (173327088).

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

64752912 is a wasteful number, since it uses less digits than its factorization.

64752912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 54 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 64752912 is about 8046.9194105571. The cubic root of 64752912 is about 401.5624555517.

The spelling of 64752912 in words is "sixty-four million, seven hundred fifty-two thousand, nine hundred twelve".