90272502 has 16 divisors (see below), whose sum is σ = 200605680. Its totient is φ = 30090816.

The previous prime is 90272473. The next prime is 90272503. The reversal of 90272502 is 20527209.

It is a happy number.

90272502 is a `hidden beast` number, since 90 + 2 + 72 + 502 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90272503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835803 + ... + 835910.

It is an arithmetic number, because the mean of its divisors is an integer number (12537855).

Almost surely, 2^90272502 is an apocalyptic number.

90272502 is an abundant number, since it is smaller than the sum of its proper divisors (110333178).

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

90272502 is a wasteful number, since it uses less digits than its factorization.

90272502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671724 (or 1671718 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 90272502 is about 9501.1842419774. The cubic root of 90272502 is about 448.5923121806.

The spelling of 90272502 in words is "ninety million, two hundred seventy-two thousand, five hundred two".