672968919 has 32 divisors (see below), whose sum is σ = 1087382016. Its totient is φ = 361405440.

The previous prime is 672968909. The next prime is 672968939. The reversal of 672968919 is 919869276.

It is not a de Polignac number, because 672968919 - 2⁸ = 672968663 is a prime.

It is a super-2 number, since 2×672968919² = 905774331880057122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672968909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470884 + ... + 472310.

It is an arithmetic number, because the mean of its divisors is an integer number (33980688).

Almost surely, 2^672968919 is an apocalyptic number.

672968919 is a deficient number, since it is larger than the sum of its proper divisors (414413097).

672968919 is a wasteful number, since it uses less digits than its factorization.

672968919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775.

The product of its digits is 2939328, while the sum is 57.

The square root of 672968919 is about 25941.6444929769. The cubic root of 672968919 is about 876.3245979675.

The spelling of 672968919 in words is "six hundred seventy-two million, nine hundred sixty-eight thousand, nine hundred nineteen".