90733542572 has 12 divisors (see below), whose sum is σ = 159483188760. Its totient is φ = 45166917216.

The previous prime is 90733542569. The next prime is 90733542577. The reversal of 90733542572 is 27524533709.

It is not an unprimeable number, because it can be changed into a prime (90733542577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49962497 + ... + 49964312.

It is an arithmetic number, because the mean of its divisors is an integer number (13290265730).

Almost surely, 2^90733542572 is an apocalyptic number.

It is an amenable number.

90733542572 is a deficient number, since it is larger than the sum of its proper divisors (68749646188).

90733542572 is a wasteful number, since it uses less digits than its factorization.

90733542572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99927040 (or 99927038 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 90733542572 in words is "ninety billion, seven hundred thirty-three million, five hundred forty-two thousand, five hundred seventy-two".