90373920 has 192 divisors, whose sum is σ = 350542080. Its totient is φ = 19058688.

The previous prime is 90373919. The next prime is 90373931. The reversal of 90373920 is 2937309.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42646 + ... + 44714.

It is an arithmetic number, because the mean of its divisors is an integer number (1825740).

Almost surely, 2^90373920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90373920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175271040).

90373920 is an abundant number, since it is smaller than the sum of its proper divisors (260168160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90373920 is a wasteful number, since it uses less digits than its factorization.

90373920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 90373920 is about 9506.5198679643. The cubic root of 90373920 is about 448.7602419018.

The spelling of 90373920 in words is "ninety million, three hundred seventy-three thousand, nine hundred twenty".