90973118 has 4 divisors (see below), whose sum is σ = 136459680. Its totient is φ = 45486558.

The previous prime is 90973097. The next prime is 90973133. The reversal of 90973118 is 81137909.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×90973118² = 16552216397283848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22743278 + ... + 22743281.

It is an arithmetic number, because the mean of its divisors is an integer number (34114920).

Almost surely, 2^90973118 is an apocalyptic number.

90973118 is a deficient number, since it is larger than the sum of its proper divisors (45486562).

90973118 is a wasteful number, since it uses less digits than its factorization.

90973118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45486561.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 90973118 is about 9537.9829104481. The cubic root of 90973118 is about 449.7498494469.

The spelling of 90973118 in words is "ninety million, nine hundred seventy-three thousand, one hundred eighteen".