90723480 has 64 divisors (see below), whose sum is σ = 286502400. Its totient is φ = 22919040.

The previous prime is 90723419. The next prime is 90723487. The reversal of 90723480 is 8432709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90723487) 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 15 ways as a sum of consecutive naturals, for example, 17616 + ... + 22175.

It is an arithmetic number, because the mean of its divisors is an integer number (4476600).

Almost surely, 2^90723480 is an apocalyptic number.

It is an amenable number.

90723480 is an abundant number, since it is smaller than the sum of its proper divisors (195778920).

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

90723480 is a wasteful number, since it uses less digits than its factorization.

90723480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39824 (or 39820 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 90723480 is about 9524.8874009093. The cubic root of 90723480 is about 449.3380885908.

The spelling of 90723480 in words is "ninety million, seven hundred twenty-three thousand, four hundred eighty".