90073996 has 24 divisors (see below), whose sum is σ = 163408896. Its totient is φ = 43414800.

The previous prime is 90073993. The next prime is 90073999. The reversal of 90073996 is 69937009.

It is an interprime number because it is at equal distance from previous prime (90073993) and next prime (90073999).

It is a super-2 number, since 2×90073996² = 16226649510816032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90073993) 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, 9021 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (6808704).

Almost surely, 2^90073996 is an apocalyptic number.

It is an amenable number.

90073996 is a deficient number, since it is larger than the sum of its proper divisors (73334900).

90073996 is a wasteful number, since it uses less digits than its factorization.

90073996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269 (or 7267 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 90073996 is about 9490.7321108543. The cubic root of 90073996 is about 448.2632580585.

The spelling of 90073996 in words is "ninety million, seventy-three thousand, nine hundred ninety-six".