672351952 has 10 divisors (see below), whose sum is σ = 1302681938. Its totient is φ = 336175968.

The previous prime is 672351949. The next prime is 672351959. The reversal of 672351952 is 259153276.

It can be written as a sum of positive squares in only one way, i.e., 488586816 + 183765136 = 22104^2 + 13556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672351959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21010983 + ... + 21011014.

Almost surely, 2^672351952 is an apocalyptic number.

It is an amenable number.

672351952 is a deficient number, since it is larger than the sum of its proper divisors (630329986).

672351952 is a wasteful number, since it uses less digits than its factorization.

672351952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42022005 (or 42021999 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 672351952 is about 25929.7503266036. The cubic root of 672351952 is about 876.0567160237.

The spelling of 672351952 in words is "six hundred seventy-two million, three hundred fifty-one thousand, nine hundred fifty-two".