90432474 has 16 divisors (see below), whose sum is σ = 197307360. Its totient is φ = 27403760.

The previous prime is 90432451. The next prime is 90432493. The reversal of 90432474 is 47423409.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 685029 + ... + 685160.

It is an arithmetic number, because the mean of its divisors is an integer number (12331710).

Almost surely, 2^90432474 is an apocalyptic number.

90432474 is an abundant number, since it is smaller than the sum of its proper divisors (106874886).

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

90432474 is a wasteful number, since it uses less digits than its factorization.

90432474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370205.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 90432474 is about 9509.5990451754. The cubic root of 90432474 is about 448.8571394517.

The spelling of 90432474 in words is "ninety million, four hundred thirty-two thousand, four hundred seventy-four".