90073613512 has 32 divisors (see below), whose sum is σ = 171608623200. Its totient is φ = 44317050624.

The previous prime is 90073613507. The next prime is 90073613549. The reversal of 90073613512 is 21531637009.

It is a super-2 number, since 2×90073613512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 232758 + ... + 484069.

It is an arithmetic number, because the mean of its divisors is an integer number (5362769475).

Almost surely, 2^90073613512 is an apocalyptic number.

It is an amenable number.

90073613512 is a deficient number, since it is larger than the sum of its proper divisors (81535009688).

90073613512 is a wasteful number, since it uses less digits than its factorization.

90073613512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717085 (or 717081 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 90073613512 in words is "ninety billion, seventy-three million, six hundred thirteen thousand, five hundred twelve".