990762273 has 12 divisors (see below), whose sum is σ = 1484105168. Its totient is φ = 660508020.

The previous prime is 990762271. The next prime is 990762281. The reversal of 990762273 is 372267099.

It is a happy number.

990762273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 990762273 - 2¹ = 990762271 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 2038363 + ... + 2038848.

Almost surely, 2^990762273 is an apocalyptic number.

It is an amenable number.

990762273 is a deficient number, since it is larger than the sum of its proper divisors (493342895).

990762273 is an equidigital number, since it uses as much as digits as its factorization.

990762273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077226 (or 4077214 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 990762273 is about 31476.3764274098. The cubic root of 990762273 is about 996.9112269707.

The spelling of 990762273 in words is "nine hundred ninety million, seven hundred sixty-two thousand, two hundred seventy-three".