90730616 has 16 divisors (see below), whose sum is σ = 172517040. Its totient is φ = 44726080.

The previous prime is 90730603. The next prime is 90730639. The reversal of 90730616 is 61603709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79301 + ... + 80436.

It is an arithmetic number, because the mean of its divisors is an integer number (10782315).

Almost surely, 2^90730616 is an apocalyptic number.

It is an amenable number.

90730616 is a deficient number, since it is larger than the sum of its proper divisors (81786424).

90730616 is a wasteful number, since it uses less digits than its factorization.

90730616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159814 (or 159810 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 90730616 is about 9525.2619911475. The cubic root of 90730616 is about 449.3498694166.

The spelling of 90730616 in words is "ninety million, seven hundred thirty thousand, six hundred sixteen".