69440725 has 12 divisors (see below), whose sum is σ = 90639040. Its totient is φ = 52628400.

The previous prime is 69440719. The next prime is 69440741. The reversal of 69440725 is 52704496.

It is not a de Polignac number, because 69440725 - 2⁹ = 69440213 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72621 + ... + 73570.

Almost surely, 2^69440725 is an apocalyptic number.

It is an amenable number.

69440725 is a deficient number, since it is larger than the sum of its proper divisors (21198315).

69440725 is a wasteful number, since it uses less digits than its factorization.

69440725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146220 (or 146215 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 69440725 is about 8333.1101636784. The cubic root of 69440725 is about 411.0280072397.

The spelling of 69440725 in words is "sixty-nine million, four hundred forty thousand, seven hundred twenty-five".