673964951 has 8 divisors (see below), whose sum is σ = 736385664. Its totient is φ = 611736120.

The previous prime is 673964939. The next prime is 673964969. The reversal of 673964951 is 159469376.

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

It is a cyclic number.

It is not a de Polignac number, because 673964951 - 2¹⁴ = 673948567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673964951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673964971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40571 + ... + 54716.

It is an arithmetic number, because the mean of its divisors is an integer number (92048208).

Almost surely, 2^673964951 is an apocalyptic number.

673964951 is a deficient number, since it is larger than the sum of its proper divisors (62420713).

673964951 is a wasteful number, since it uses less digits than its factorization.

673964951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95941.

The product of its digits is 1224720, while the sum is 50.

The square root of 673964951 is about 25960.8349442001. The cubic root of 673964951 is about 876.7567214776.

The spelling of 673964951 in words is "six hundred seventy-three million, nine hundred sixty-four thousand, nine hundred fifty-one".