90417730670 has 16 divisors (see below), whose sum is σ = 171317805840. Its totient is φ = 34263561024.

The previous prime is 90417730639. The next prime is 90417730699. The reversal of 90417730670 is 7603771409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237941207 + ... + 237941586.

It is an arithmetic number, because the mean of its divisors is an integer number (10707362865).

Almost surely, 2^90417730670 is an apocalyptic number.

90417730670 is a deficient number, since it is larger than the sum of its proper divisors (80900075170).

90417730670 is a wasteful number, since it uses less digits than its factorization.

90417730670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475882819.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 90417730670 in words is "ninety billion, four hundred seventeen million, seven hundred thirty thousand, six hundred seventy".