672942999 has 16 divisors (see below), whose sum is σ = 930913920. Its totient is φ = 431891040.

The previous prime is 672942997. The next prime is 672943003. The reversal of 672942999 is 999249276.

It is not a de Polignac number, because 672942999 - 2¹ = 672942997 is a prime.

It is a super-2 number, since 2×672942999² = 905704559806228002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672942997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19044 + ... + 41334.

It is an arithmetic number, because the mean of its divisors is an integer number (58182120).

Almost surely, 2^672942999 is an apocalyptic number.

672942999 is a deficient number, since it is larger than the sum of its proper divisors (257970921).

672942999 is a wasteful number, since it uses less digits than its factorization.

672942999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22670.

The product of its digits is 4408992, while the sum is 57.

The square root of 672942999 is about 25941.1449053429. The cubic root of 672942999 is about 876.3133470144.

The spelling of 672942999 in words is "six hundred seventy-two million, nine hundred forty-two thousand, nine hundred ninety-nine".