90722696 has 16 divisors (see below), whose sum is σ = 170263500. Its totient is φ = 45319104.

The previous prime is 90722683. The next prime is 90722711. The reversal of 90722696 is 69622709.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90060100 + 662596 = 9490^2 + 814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5030 + ... + 14378.

Almost surely, 2^90722696 is an apocalyptic number.

It is an amenable number.

90722696 is a deficient number, since it is larger than the sum of its proper divisors (79540804).

90722696 is a wasteful number, since it uses less digits than its factorization.

90722696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568 (or 10564 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 90722696 is about 9524.8462454782. The cubic root of 90722696 is about 449.3367942472.

The spelling of 90722696 in words is "ninety million, seven hundred twenty-two thousand, six hundred ninety-six".