672394707 has 6 divisors (see below), whose sum is σ = 971236812. Its totient is φ = 448263132.

The previous prime is 672394691. The next prime is 672394717. The reversal of 672394707 is 707493276.

It is a happy number.

It is not a de Polignac number, because 672394707 - 2⁴ = 672394691 is a prime.

It is a super-2 number, since 2×672394707² = 904229284003231698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672394717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37355253 + ... + 37355270.

It is an arithmetic number, because the mean of its divisors is an integer number (161872802).

Almost surely, 2^672394707 is an apocalyptic number.

672394707 is a deficient number, since it is larger than the sum of its proper divisors (298842105).

672394707 is a wasteful number, since it uses less digits than its factorization.

672394707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74710529 (or 74710526 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 672394707 is about 25930.5747525966. The cubic root of 672394707 is about 876.0752851729.

The spelling of 672394707 in words is "six hundred seventy-two million, three hundred ninety-four thousand, seven hundred seven".