90432768 has 36 divisors (see below), whose sum is σ = 240685088. Its totient is φ = 30144000.

The previous prime is 90432767. The next prime is 90432833. The reversal of 90432768 is 86723409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90432767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58108 + ... + 59643.

Almost surely, 2^90432768 is an apocalyptic number.

It is an amenable number.

90432768 is an abundant number, since it is smaller than the sum of its proper divisors (150252320).

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

90432768 is a wasteful number, since it uses less digits than its factorization.

90432768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117770 (or 117756 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 90432768 is about 9509.6145032278. The cubic root of 90432768 is about 448.8576258694.

It can be divided in two parts, 9043 and 2768, that added together give a palindrome (11811).

The spelling of 90432768 in words is "ninety million, four hundred thirty-two thousand, seven hundred sixty-eight".