90320760 has 96 divisors (see below), whose sum is σ = 296946000. Its totient is φ = 23806464.

The previous prime is 90320759. The next prime is 90320771. The reversal of 90320760 is 6702309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30631 + ... + 33449.

Almost surely, 2^90320760 is an apocalyptic number.

90320760 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90320760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148473000).

90320760 is an abundant number, since it is smaller than the sum of its proper divisors (206625240).

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

90320760 is a wasteful number, since it uses less digits than its factorization.

90320760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 90320760 is about 9503.7234808258. The cubic root of 90320760 is about 448.6722343086.

The spelling of 90320760 in words is "ninety million, three hundred twenty thousand, seven hundred sixty".