90715315 has 8 divisors (see below), whose sum is σ = 115261920. Its totient is φ = 68303232.

The previous prime is 90715309. The next prime is 90715319. The reversal of 90715315 is 51351709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90715315 - 2³ = 90715307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90715319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533535 + ... + 533704.

It is an arithmetic number, because the mean of its divisors is an integer number (14407740).

Almost surely, 2^90715315 is an apocalyptic number.

90715315 is a deficient number, since it is larger than the sum of its proper divisors (24546605).

90715315 is a wasteful number, since it uses less digits than its factorization.

90715315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067261.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 90715315 is about 9524.4587772744. The cubic root of 90715315 is about 449.3246082307.

The spelling of 90715315 in words is "ninety million, seven hundred fifteen thousand, three hundred fifteen".