673952679 has 24 divisors (see below), whose sum is σ = 1013830272. Its totient is φ = 430940160.

The previous prime is 673952659. The next prime is 673952689. The reversal of 673952679 is 976259376.

It is not a de Polignac number, because 673952679 - 2¹⁷ = 673821607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673952639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20839 + ... + 42215.

It is an arithmetic number, because the mean of its divisors is an integer number (42242928).

Almost surely, 2^673952679 is an apocalyptic number.

673952679 is a deficient number, since it is larger than the sum of its proper divisors (339877593).

673952679 is a wasteful number, since it uses less digits than its factorization.

673952679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21527 (or 21524 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The square root of 673952679 is about 25960.5985870896. The cubic root of 673952679 is about 876.7513999231.

The spelling of 673952679 in words is "six hundred seventy-three million, nine hundred fifty-two thousand, six hundred seventy-nine".