672473949 has 8 divisors (see below), whose sum is σ = 1024722240. Its totient is φ = 384270816.

The previous prime is 672473887. The next prime is 672473951. The reversal of 672473949 is 949374276.

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

It is not a de Polignac number, because 672473949 - 2⁸ = 672473693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672473999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16011264 + ... + 16011305.

It is an arithmetic number, because the mean of its divisors is an integer number (128090280).

Almost surely, 2^672473949 is an apocalyptic number.

It is an amenable number.

672473949 is a deficient number, since it is larger than the sum of its proper divisors (352248291).

672473949 is a wasteful number, since it uses less digits than its factorization.

672473949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32022579.

The product of its digits is 2286144, while the sum is 51.

The square root of 672473949 is about 25932.1026721706. The cubic root of 672473949 is about 876.1096991017.

The spelling of 672473949 in words is "six hundred seventy-two million, four hundred seventy-three thousand, nine hundred forty-nine".