90579622 has 16 divisors (see below), whose sum is σ = 158584320. Its totient is φ = 37993608.

The previous prime is 90579607. The next prime is 90579623. The reversal of 90579622 is 22697509.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90579623) 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, 68172 + ... + 69487.

It is an arithmetic number, because the mean of its divisors is an integer number (9911520).

Almost surely, 2^90579622 is an apocalyptic number.

90579622 is a deficient number, since it is larger than the sum of its proper divisors (68004698).

90579622 is a wasteful number, since it uses less digits than its factorization.

90579622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137715.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 90579622 is about 9517.3327145792. The cubic root of 90579622 is about 449.1004614798.

The spelling of 90579622 in words is "ninety million, five hundred seventy-nine thousand, six hundred twenty-two".