90582872 has 8 divisors (see below), whose sum is σ = 169842900. Its totient is φ = 45291432.

The previous prime is 90582871. The next prime is 90582887. The reversal of 90582872 is 27828509.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90582871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661422 + ... + 5661437.

Almost surely, 2^90582872 is an apocalyptic number.

It is an amenable number.

90582872 is a deficient number, since it is larger than the sum of its proper divisors (79260028).

90582872 is a wasteful number, since it uses less digits than its factorization.

90582872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11322865 (or 11322861 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 90582872 is about 9517.5034541628. The cubic root of 90582872 is about 449.1058326623.

The spelling of 90582872 in words is "ninety million, five hundred eighty-two thousand, eight hundred seventy-two".