90126707572 has 24 divisors (see below), whose sum is σ = 172924718400. Its totient is φ = 40760818560.

The previous prime is 90126707543. The next prime is 90126707597. The reversal of 90126707572 is 27570762109.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5137813 + ... + 5155324.

It is an arithmetic number, because the mean of its divisors is an integer number (7205196600).

Almost surely, 2^90126707572 is an apocalyptic number.

It is an amenable number.

90126707572 is a deficient number, since it is larger than the sum of its proper divisors (82798010828).

90126707572 is a wasteful number, since it uses less digits than its factorization.

90126707572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293351 (or 10293349 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 90126707572 in words is "ninety billion, one hundred twenty-six million, seven hundred seven thousand, five hundred seventy-two".