90951702724 has 9 divisors (see below), whose sum is σ = 159166535311. Its totient is φ = 45475549780.

The previous prime is 90951702679. The next prime is 90951702727. The reversal of 90951702724 is 42720715909.

It is a happy number.

The square root of 90951702724 is 301582.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90951702727) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 527769 + ... + 678559.

Almost surely, 2^90951702724 is an apocalyptic number.

90951702724 is the 301582-nd square number.

It is an amenable number.

90951702724 is a deficient number, since it is larger than the sum of its proper divisors (68214832587).

90951702724 is an frugal number, since it uses more digits than its factorization.

90951702724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301586 (or 150793 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 90951702724 in words is "ninety billion, nine hundred fifty-one million, seven hundred two thousand, seven hundred twenty-four".