88320725 has 6 divisors (see below), whose sum is σ = 109517730. Its totient is φ = 70656560.

The previous prime is 88320719. The next prime is 88320733. The reversal of 88320725 is 52702388.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 223729 + 88096996 = 473^2 + 9386^2 .

It is not a de Polignac number, because 88320725 - 2⁴ = 88320709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1766390 + ... + 1766439.

It is an arithmetic number, because the mean of its divisors is an integer number (18252955).

Almost surely, 2^88320725 is an apocalyptic number.

It is an amenable number.

88320725 is a deficient number, since it is larger than the sum of its proper divisors (21197005).

88320725 is a wasteful number, since it uses less digits than its factorization.

88320725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532839 (or 3532834 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 88320725 is about 9397.9106720590. The cubic root of 88320725 is about 445.3357311570.

The spelling of 88320725 in words is "eighty-eight million, three hundred twenty thousand, seven hundred twenty-five".