90733480 has 16 divisors (see below), whose sum is σ = 204150420. Its totient is φ = 36293376.

The previous prime is 90733429. The next prime is 90733481. The reversal of 90733480 is 8433709.

It can be written as a sum of positive squares in 2 ways, for example, as 83942244 + 6791236 = 9162^2 + 2606^2 .

It is not an unprimeable number, because it can be changed into a prime (90733481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134129 + ... + 1134208.

Almost surely, 2^90733480 is an apocalyptic number.

It is an amenable number.

90733480 is an abundant number, since it is smaller than the sum of its proper divisors (113416940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90733480 is a wasteful number, since it uses less digits than its factorization.

90733480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268348 (or 2268344 counting only the distinct ones).

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

The square root of 90733480 is about 9525.4123270334. The cubic root of 90733480 is about 449.3545974219.

The spelling of 90733480 in words is "ninety million, seven hundred thirty-three thousand, four hundred eighty".