90707715 has 32 divisors (see below), whose sum is σ = 184296960. Its totient is φ = 41465952.

The previous prime is 90707711. The next prime is 90707723. The reversal of 90707715 is 51770709.

It is not a de Polignac number, because 90707715 - 2² = 90707711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90707715.

It is not an unprimeable number, because it can be changed into a prime (90707711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47049 + ... + 48938.

It is an arithmetic number, because the mean of its divisors is an integer number (5759280).

Almost surely, 2^90707715 is an apocalyptic number.

90707715 is an abundant number, since it is smaller than the sum of its proper divisors (93589245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90707715 is a wasteful number, since it uses less digits than its factorization.

90707715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96008 (or 96002 counting only the distinct ones).

The product of its (nonzero) digits is 15435, while the sum is 36.

The square root of 90707715 is about 9524.0597961164. The cubic root of 90707715 is about 449.3120599548.

The spelling of 90707715 in words is "ninety million, seven hundred seven thousand, seven hundred fifteen".