672767275 has 6 divisors (see below), whose sum is σ = 834231452. Its totient is φ = 538213800.

The previous prime is 672767267. The next prime is 672767281. The reversal of 672767275 is 572767276.

It is a happy number.

It is not a de Polignac number, because 672767275 - 2³ = 672767267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13455321 + ... + 13455370.

Almost surely, 2^672767275 is an apocalyptic number.

672767275 is a deficient number, since it is larger than the sum of its proper divisors (161464177).

672767275 is a wasteful number, since it uses less digits than its factorization.

672767275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26910701 (or 26910696 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 49.

The square root of 672767275 is about 25937.7577095631. The cubic root of 672767275 is about 876.2370638362.

Subtracting from 672767275 its reverse (572767276), we obtain a palindrome (99999999).

The spelling of 672767275 in words is "six hundred seventy-two million, seven hundred sixty-seven thousand, two hundred seventy-five".