90574132 has 48 divisors (see below), whose sum is σ = 178053120. Its totient is φ = 39967200.

The previous prime is 90574117. The next prime is 90574139. The reversal of 90574132 is 23147509.

It is a junction number, because it is equal to n+sod(n) for n = 90574094 and 90574103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90574139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246613 + ... + 246979.

It is an arithmetic number, because the mean of its divisors is an integer number (3709440).

Almost surely, 2^90574132 is an apocalyptic number.

It is an amenable number.

90574132 is a deficient number, since it is larger than the sum of its proper divisors (87478988).

90574132 is a wasteful number, since it uses less digits than its factorization.

90574132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 90574132 is about 9517.0442890637. The cubic root of 90574132 is about 449.0913880212.

The spelling of 90574132 in words is "ninety million, five hundred seventy-four thousand, one hundred thirty-two".