90426706 has 16 divisors (see below), whose sum is σ = 145590264. Its totient is φ = 41969664.

The previous prime is 90426701. The next prime is 90426709. The reversal of 90426706 is 60762409.

It can be written as a sum of positive squares in 4 ways, for example, as 90421081 + 5625 = 9509^2 + 75^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (90426701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15735 + ... + 20698.

Almost surely, 2^90426706 is an apocalyptic number.

90426706 is a deficient number, since it is larger than the sum of its proper divisors (55163558).

90426706 is a wasteful number, since it uses less digits than its factorization.

90426706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36525.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 90426706 is about 9509.2957678263. The cubic root of 90426706 is about 448.8475961873.

The spelling of 90426706 in words is "ninety million, four hundred twenty-six thousand, seven hundred six".