90113902730 has 16 divisors (see below), whose sum is σ = 162327283200. Its totient is φ = 36018392592.

The previous prime is 90113902721. The next prime is 90113902789. The reversal of 90113902730 is 3720931109.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382130 + ... + 3408669.

It is an arithmetic number, because the mean of its divisors is an integer number (10145455200).

Almost surely, 2^90113902730 is an apocalyptic number.

90113902730 is a deficient number, since it is larger than the sum of its proper divisors (72213380470).

90113902730 is a wasteful number, since it uses less digits than its factorization.

90113902730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792133.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 90113902730 in words is "ninety billion, one hundred thirteen million, nine hundred two thousand, seven hundred thirty".