90625407 has 16 divisors (see below), whose sum is σ = 123171840. Its totient is φ = 59259200.

The previous prime is 90625397. The next prime is 90625417. The reversal of 90625407 is 70452609.

It is an interprime number because it is at equal distance from previous prime (90625397) and next prime (90625417).

It is a cyclic number.

It is not a de Polignac number, because 90625407 - 2⁸ = 90625151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90625417) 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, 33682 + ... + 36272.

It is an arithmetic number, because the mean of its divisors is an integer number (7698240).

Almost surely, 2^90625407 is an apocalyptic number.

90625407 is the 7773-rd pentagonal number.

90625407 is a deficient number, since it is larger than the sum of its proper divisors (32546433).

90625407 is a wasteful number, since it uses less digits than its factorization.

90625407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 90625407 is about 9519.7377589932. The cubic root of 90625407 is about 449.1761172056.

The spelling of 90625407 in words is "ninety million, six hundred twenty-five thousand, four hundred seven".