90746544 has 80 divisors (see below), whose sum is σ = 283696128. Its totient is φ = 24400896.

The previous prime is 90746531. The next prime is 90746549. The reversal of 90746544 is 44564709.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90746549) 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, 2232 + ... + 13655.

Almost surely, 2^90746544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90746544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141848064).

90746544 is an abundant number, since it is smaller than the sum of its proper divisors (192949584).

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

90746544 is a wasteful number, since it uses less digits than its factorization.

90746544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15922 (or 15916 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 90746544 is about 9526.0980469445. The cubic root of 90746544 is about 449.3761627314.

The spelling of 90746544 in words is "ninety million, seven hundred forty-six thousand, five hundred forty-four".