672892090 has 36 divisors (see below), whose sum is σ = 1313624142. Its totient is φ = 248058720.

The previous prime is 672892057. The next prime is 672892151. The reversal of 672892090 is 90298276.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 290259369 + 382632721 = 17037^2 + 19561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1066075 + ... + 1066705.

Almost surely, 2^672892090 is an apocalyptic number.

672892090 is a deficient number, since it is larger than the sum of its proper divisors (640732052).

672892090 is an equidigital number, since it uses as much as digits as its factorization.

672892090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 672892090 is about 25940.1636463612. The cubic root of 672892090 is about 876.2912483813.

The spelling of 672892090 in words is "six hundred seventy-two million, eight hundred ninety-two thousand, ninety".