64112730 has 64 divisors (see below), whose sum is σ = 175177728. Its totient is φ = 14864960.

The previous prime is 64112693. The next prime is 64112731. The reversal of 64112730 is 3721146.

It is a super-2 number, since 2×64112730² = 8220884296105800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64112730.

It is not an unprimeable number, because it can be changed into a prime (64112731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3367 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (2737152).

Almost surely, 2^64112730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64112730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87588864).

64112730 is an abundant number, since it is smaller than the sum of its proper divisors (111064998).

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

64112730 is a wasteful number, since it uses less digits than its factorization.

64112730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 64112730 is about 8007.0425251774. The cubic root of 64112730 is about 400.2347164102.

Adding to 64112730 its reverse (3721146), we get a palindrome (67833876).

The spelling of 64112730 in words is "sixty-four million, one hundred twelve thousand, seven hundred thirty".