68264625 has 128 divisors (see below), whose sum is σ = 142571520. Its totient is φ = 28512000.

The previous prime is 68264617. The next prime is 68264681. The reversal of 68264625 is 52646286.

It is not a de Polignac number, because 68264625 - 2³ = 68264617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (138240) is a multiple of the sum of its prime factors (128).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1018842 + ... + 1018908.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^68264625 is an apocalyptic number.

68264625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68264625 is an abundant number, since it is smaller than the sum of its proper divisors (74306895).

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

68264625 is a wasteful number, since it uses less digits than its factorization.

68264625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 118 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 68264625 is about 8262.2409187823. The cubic root of 68264625 is about 408.6942895578.

The spelling of 68264625 in words is "sixty-eight million, two hundred sixty-four thousand, six hundred twenty-five".