90582740 has 24 divisors (see below), whose sum is σ = 198495360. Its totient is φ = 34657568.

The previous prime is 90582731. The next prime is 90582757. The reversal of 90582740 is 4728509.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90582740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98000 + ... + 98919.

It is an arithmetic number, because the mean of its divisors is an integer number (8270640).

Almost surely, 2^90582740 is an apocalyptic number.

It is an amenable number.

90582740 is an abundant number, since it is smaller than the sum of its proper divisors (107912620).

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

90582740 is a wasteful number, since it uses less digits than its factorization.

90582740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196951 (or 196949 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 90582740 is about 9517.4965195686. The cubic root of 90582740 is about 449.1056145122.

The spelling of 90582740 in words is "ninety million, five hundred eighty-two thousand, seven hundred forty".