90707252 has 12 divisors (see below), whose sum is σ = 162609636. Its totient is φ = 44247360.

The previous prime is 90707231. The next prime is 90707261. The reversal of 90707252 is 25270709.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 86229796 = 2116^2 + 9286^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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, 276383 + ... + 276710.

It is an arithmetic number, because the mean of its divisors is an integer number (13550803).

Almost surely, 2^90707252 is an apocalyptic number.

It is an amenable number.

90707252 is a deficient number, since it is larger than the sum of its proper divisors (71902384).

90707252 is a wasteful number, since it uses less digits than its factorization.

90707252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553138 (or 553136 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 90707252 is about 9524.0354892241. The cubic root of 90707252 is about 449.3112954780.

The spelling of 90707252 in words is "ninety million, seven hundred seven thousand, two hundred fifty-two".