90302872 has 24 divisors (see below), whose sum is σ = 184892940. Its totient is φ = 41006240.

The previous prime is 90302867. The next prime is 90302873. The reversal of 90302872 is 27820309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90302873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88638 + ... + 89650.

Almost surely, 2^90302872 is an apocalyptic number.

It is an amenable number.

90302872 is an abundant number, since it is smaller than the sum of its proper divisors (94590068).

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

90302872 is a wasteful number, since it uses less digits than its factorization.

90302872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 90302872 is about 9502.7823294023. The cubic root of 90302872 is about 448.6426125515.

The spelling of 90302872 in words is "ninety million, three hundred two thousand, eight hundred seventy-two".