672673039 has 2 divisors, whose sum is σ = 672673040. Its totient is φ = 672673038.

The previous prime is 672673031. The next prime is 672673063. The reversal of 672673039 is 930376276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672673039 - 2³ = 672673031 is a prime.

It is equal to p_34909882 and since 672673039 and 34909882 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 672672986 and 672673004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672673031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336336519 + 336336520.

It is an arithmetic number, because the mean of its divisors is an integer number (336336520).

Almost surely, 2^672673039 is an apocalyptic number.

672673039 is a deficient number, since it is larger than the sum of its proper divisors (1).

672673039 is an equidigital number, since it uses as much as digits as its factorization.

672673039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 672673039 is about 25935.9410664044. The cubic root of 672673039 is about 876.1961497714.

The spelling of 672673039 in words is "six hundred seventy-two million, six hundred seventy-three thousand, thirty-nine".