68464725 has 24 divisors (see below), whose sum is σ = 129366720. Its totient is φ = 31297920.

The previous prime is 68464723. The next prime is 68464751. The reversal of 68464725 is 52746486.

It is not a de Polignac number, because 68464725 - 2¹ = 68464723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68464723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64680 + ... + 65729.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^68464725 is an apocalyptic number.

It is an amenable number.

68464725 is a deficient number, since it is larger than the sum of its proper divisors (60901995).

68464725 is a wasteful number, since it uses less digits than its factorization.

68464725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130429 (or 130424 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 68464725 is about 8274.3413635165. The cubic root of 68464725 is about 409.0932270351.

The spelling of 68464725 in words is "sixty-eight million, four hundred sixty-four thousand, seven hundred twenty-five".