672994367 has 4 divisors (see below), whose sum is σ = 674640240. Its totient is φ = 671348496.

The previous prime is 672994331. The next prime is 672994433. The reversal of 672994367 is 763499276.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672994367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672991367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822323 + ... + 823140.

It is an arithmetic number, because the mean of its divisors is an integer number (168660060).

Almost surely, 2^672994367 is an apocalyptic number.

672994367 is a deficient number, since it is larger than the sum of its proper divisors (1645873).

672994367 is a wasteful number, since it uses less digits than its factorization.

672994367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645872.

The product of its digits is 3429216, while the sum is 53.

The square root of 672994367 is about 25942.1349738220. The cubic root of 672994367 is about 876.3356437610.

The spelling of 672994367 in words is "six hundred seventy-two million, nine hundred ninety-four thousand, three hundred sixty-seven".