90474783 has 16 divisors (see below), whose sum is σ = 138003456. Its totient is φ = 51648480.

The previous prime is 90474779. The next prime is 90474851. The reversal of 90474783 is 38747409.

It is not a de Polignac number, because 90474783 - 2² = 90474779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90474743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32538 + ... + 35208.

It is an arithmetic number, because the mean of its divisors is an integer number (8625216).

Almost surely, 2^90474783 is an apocalyptic number.

90474783 is a deficient number, since it is larger than the sum of its proper divisors (47528673).

90474783 is a wasteful number, since it uses less digits than its factorization.

90474783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 90474783 is about 9511.8233267865. The cubic root of 90474783 is about 448.9271280853.

The spelling of 90474783 in words is "ninety million, four hundred seventy-four thousand, seven hundred eighty-three".