672043090 has 8 divisors (see below), whose sum is σ = 1209677580. Its totient is φ = 268817232.

The previous prime is 672043067. The next prime is 672043109. The reversal of 672043090 is 90340276.

It can be written as a sum of positive squares in 2 ways, for example, as 605799769 + 66243321 = 24613^2 + 8139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 33602145 + ... + 33602164.

Almost surely, 2^672043090 is an apocalyptic number.

672043090 is a deficient number, since it is larger than the sum of its proper divisors (537634490).

672043090 is a wasteful number, since it uses less digits than its factorization.

672043090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67204316.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 672043090 is about 25923.7938967274. The cubic root of 672043090 is about 875.9225491528.

The spelling of 672043090 in words is "six hundred seventy-two million, forty-three thousand, ninety".