90268724 has 24 divisors (see below), whose sum is σ = 194425728. Its totient is φ = 35710560.

The previous prime is 90268723. The next prime is 90268729. The reversal of 90268724 is 42786209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90268723) 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 7 ways as a sum of consecutive naturals, for example, 123632 + ... + 124359.

It is an arithmetic number, because the mean of its divisors is an integer number (8101072).

Almost surely, 2^90268724 is an apocalyptic number.

It is an amenable number.

90268724 is an abundant number, since it is smaller than the sum of its proper divisors (104157004).

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

90268724 is a wasteful number, since it uses less digits than its factorization.

90268724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248015 (or 248013 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 90268724 is about 9500.9854225759. The cubic root of 90268724 is about 448.5860540719.

The spelling of 90268724 in words is "ninety million, two hundred sixty-eight thousand, seven hundred twenty-four".