672872594 has 4 divisors (see below), whose sum is σ = 1009308894. Its totient is φ = 336436296.

The previous prime is 672872581. The next prime is 672872647. The reversal of 672872594 is 495278276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 399400225 + 273472369 = 19985^2 + 16537^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168218147 + ... + 168218150.

Almost surely, 2^672872594 is an apocalyptic number.

672872594 is a deficient number, since it is larger than the sum of its proper divisors (336436300).

672872594 is a wasteful number, since it uses less digits than its factorization.

672872594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336436299.

The product of its digits is 1693440, while the sum is 50.

The square root of 672872594 is about 25939.7878557246. The cubic root of 672872594 is about 876.2827852417.

The spelling of 672872594 in words is "six hundred seventy-two million, eight hundred seventy-two thousand, five hundred ninety-four".