672434331 has 8 divisors (see below), whose sum is σ = 904958784. Its totient is φ = 444099720.

The previous prime is 672434309. The next prime is 672434341. The reversal of 672434331 is 133434276.

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

It is not a de Polignac number, because 672434331 - 2¹¹ = 672432283 is a prime.

It is a super-2 number, since 2×672434331² = 904335859014835122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672434292 and 672434301.

It is not an unprimeable number, because it can be changed into a prime (672434341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047085 + ... + 1047726.

It is an arithmetic number, because the mean of its divisors is an integer number (113119848).

Almost surely, 2^672434331 is an apocalyptic number.

672434331 is a deficient number, since it is larger than the sum of its proper divisors (232524453).

672434331 is a wasteful number, since it uses less digits than its factorization.

672434331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094921.

The product of its digits is 36288, while the sum is 33.

The square root of 672434331 is about 25931.3387814821. The cubic root of 672434331 is about 876.0924937781.

The spelling of 672434331 in words is "six hundred seventy-two million, four hundred thirty-four thousand, three hundred thirty-one".