90730244 has 24 divisors (see below), whose sum is σ = 182330400. Its totient is φ = 39070080.

The previous prime is 90730231. The next prime is 90730291. The reversal of 90730244 is 44203709.

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, 53429 + ... + 55100.

It is an arithmetic number, because the mean of its divisors is an integer number (7597100).

Almost surely, 2^90730244 is an apocalyptic number.

It is an amenable number.

90730244 is an abundant number, since it is smaller than the sum of its proper divisors (91600156).

90730244 is a wasteful number, since it uses less digits than its factorization.

90730244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108563 (or 108561 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 90730244 is about 9525.2424641056. The cubic root of 90730244 is about 449.3492552969.

The spelling of 90730244 in words is "ninety million, seven hundred thirty thousand, two hundred forty-four".