90740488 has 16 divisors (see below), whose sum is σ = 170321580. Its totient is φ = 45321408.

The previous prime is 90740483. The next prime is 90740513. The reversal of 90740488 is 88404709.

It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 21883684 = 8298^2 + 4678^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90740488.

It is not an unprimeable number, because it can be changed into a prime (90740483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506 + ... + 13702.

Almost surely, 2^90740488 is an apocalyptic number.

It is an amenable number.

90740488 is a deficient number, since it is larger than the sum of its proper divisors (79581092).

90740488 is a wasteful number, since it uses less digits than its factorization.

90740488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12216 (or 12212 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 90740488 is about 9525.7801780222. The cubic root of 90740488 is about 449.3661660878.

The spelling of 90740488 in words is "ninety million, seven hundred forty thousand, four hundred eighty-eight".