90576424 has 8 divisors (see below), whose sum is σ = 169830810. Its totient is φ = 45288208.

The previous prime is 90576403. The next prime is 90576427. The reversal of 90576424 is 42467509.

It can be written as a sum of positive squares in only one way, i.e., 83722500 + 6853924 = 9150^2 + 2618^2 .

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

It is not an unprimeable number, because it can be changed into a prime (90576427) 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 as a sum of consecutive naturals, namely, 5661019 + ... + 5661034.

Almost surely, 2^90576424 is an apocalyptic number.

It is an amenable number.

90576424 is a deficient number, since it is larger than the sum of its proper divisors (79254386).

90576424 is a wasteful number, since it uses less digits than its factorization.

90576424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322059 (or 11322055 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 90576424 is about 9517.1647038391. The cubic root of 90576424 is about 449.0951761108.

The spelling of 90576424 in words is "ninety million, five hundred seventy-six thousand, four hundred twenty-four".