89725407 has 16 divisors (see below), whose sum is σ = 124360320. Its totient is φ = 57493152.

The previous prime is 89725403. The next prime is 89725417. The reversal of 89725407 is 70452798.

It is not a de Polignac number, because 89725407 - 2² = 89725403 is a prime.

It is a super-2 number, since 2×89725407² = 16101297322631298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89725403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4344 + ... + 14082.

It is an arithmetic number, because the mean of its divisors is an integer number (7772520).

Almost surely, 2^89725407 is an apocalyptic number.

89725407 is a deficient number, since it is larger than the sum of its proper divisors (34634913).

89725407 is a wasteful number, since it uses less digits than its factorization.

89725407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 89725407 is about 9472.3496029232. The cubic root of 89725407 is about 447.6842465095.

The spelling of 89725407 in words is "eighty-nine million, seven hundred twenty-five thousand, four hundred seven".