90743328420 has 24 divisors (see below), whose sum is σ = 254081319744. Its totient is φ = 24198220896.

The previous prime is 90743328383. The next prime is 90743328427. The reversal of 90743328420 is 2482334709.

It is not an unprimeable number, because it can be changed into a prime (90743328427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756194344 + ... + 756194463.

It is an arithmetic number, because the mean of its divisors is an integer number (10586721656).

Almost surely, 2^90743328420 is an apocalyptic number.

It is an amenable number.

90743328420 is an abundant number, since it is smaller than the sum of its proper divisors (163337991324).

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

90743328420 is a wasteful number, since it uses less digits than its factorization.

90743328420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512388819 (or 1512388817 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 90743328420 in words is "ninety billion, seven hundred forty-three million, three hundred twenty-eight thousand, four hundred twenty".