90630790 has 16 divisors (see below), whose sum is σ = 165434400. Its totient is φ = 35741440.

The previous prime is 90630781. The next prime is 90630803. The reversal of 90630790 is 9703609.

It is a super-3 number, since 3×90630790³ (a number of 25 digits) contains 333 as substring.

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, 63115 + ... + 64534.

It is an arithmetic number, because the mean of its divisors is an integer number (10339650).

Almost surely, 2^90630790 is an apocalyptic number.

90630790 is a deficient number, since it is larger than the sum of its proper divisors (74803610).

90630790 is a wasteful number, since it uses less digits than its factorization.

90630790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127727.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 90630790 is about 9520.0204831712. The cubic root of 90630790 is about 449.1850104701.

The spelling of 90630790 in words is "ninety million, six hundred thirty thousand, seven hundred ninety".