90722344 has 8 divisors (see below), whose sum is σ = 170104410. Its totient is φ = 45361168.

The previous prime is 90722329. The next prime is 90722351. The reversal of 90722344 is 44322709.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 40170244 = 7110^2 + 6338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670139 + ... + 5670154.

Almost surely, 2^90722344 is an apocalyptic number.

It is an amenable number.

90722344 is a deficient number, since it is larger than the sum of its proper divisors (79382066).

90722344 is a wasteful number, since it uses less digits than its factorization.

90722344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340299 (or 11340295 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 90722344 is about 9524.8277674717. The cubic root of 90722344 is about 449.3362131109.

The spelling of 90722344 in words is "ninety million, seven hundred twenty-two thousand, three hundred forty-four".