672674245 has 8 divisors (see below), whose sum is σ = 829025784. Its totient is φ = 523594944.

The previous prime is 672674231. The next prime is 672674263. The reversal of 672674245 is 542476276.

It can be written as a sum of positive squares in 4 ways, for example, as 363512356 + 309161889 = 19066^2 + 17583^2 .

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 672674245 - 2⁵ = 672674213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1817854 + ... + 1818223.

It is an arithmetic number, because the mean of its divisors is an integer number (103628223).

Almost surely, 2^672674245 is an apocalyptic number.

It is an amenable number.

672674245 is a deficient number, since it is larger than the sum of its proper divisors (156351539).

672674245 is a wasteful number, since it uses less digits than its factorization.

672674245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636119.

The product of its digits is 564480, while the sum is 43.

The square root of 672674245 is about 25935.9643159841. The cubic root of 672674245 is about 876.1966733997.

The spelling of 672674245 in words is "six hundred seventy-two million, six hundred seventy-four thousand, two hundred forty-five".