990762272 has 24 divisors (see below), whose sum is σ = 1953359100. Its totient is φ = 494671104.

The previous prime is 990762271. The next prime is 990762281. The reversal of 990762272 is 272267099.

It can be written as a sum of positive squares in 2 ways, for example, as 933669136 + 57093136 = 30556^2 + 7556^2 .

It is not an unprimeable number, because it can be changed into a prime (990762271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854 + ... + 44522.

Almost surely, 2^990762272 is an apocalyptic number.

It is an amenable number.

990762272 is a deficient number, since it is larger than the sum of its proper divisors (962596828).

990762272 is a wasteful number, since it uses less digits than its factorization.

990762272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44388 (or 44380 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 990762272 is about 31476.3764115249. The cubic root of 990762272 is about 996.9112266353.

The spelling of 990762272 in words is "nine hundred ninety million, seven hundred sixty-two thousand, two hundred seventy-two".