672397319 has 8 divisors (see below), whose sum is σ = 737212800. Its totient is φ = 608196600.

The previous prime is 672397301. The next prime is 672397333. The reversal of 672397319 is 913793276.

It is a happy number.

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

It is not a de Polignac number, because 672397319 - 2²⁴ = 655620103 is a prime.

It is a super-2 number, since 2×672397319² = 904236309196775522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672397339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151397 + ... + 155774.

It is an arithmetic number, because the mean of its divisors is an integer number (92151600).

Almost surely, 2^672397319 is an apocalyptic number.

672397319 is a deficient number, since it is larger than the sum of its proper divisors (64815481).

672397319 is a wasteful number, since it uses less digits than its factorization.

672397319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307381.

The product of its digits is 428652, while the sum is 47.

The square root of 672397319 is about 25930.6251178023. The cubic root of 672397319 is about 876.0764195788.

The spelling of 672397319 in words is "six hundred seventy-two million, three hundred ninety-seven thousand, three hundred nineteen".