672711245 has 64 divisors (see below), whose sum is σ = 933742080. Its totient is φ = 462578688.

The previous prime is 672711239. The next prime is 672711271. The reversal of 672711245 is 542117276.

It is a cyclic number.

It is not a de Polignac number, because 672711245 - 2¹⁴ = 672694861 is a prime.

Its product of digits (23520) is a multiple of the sum of its prime divisors (294).

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 63 ways as a sum of consecutive naturals, for example, 4284707 + ... + 4284863.

It is an arithmetic number, because the mean of its divisors is an integer number (14589720).

Almost surely, 2^672711245 is an apocalyptic number.

It is an amenable number.

672711245 is a deficient number, since it is larger than the sum of its proper divisors (261030835).

672711245 is a wasteful number, since it uses less digits than its factorization.

672711245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its digits is 23520, while the sum is 35.

The square root of 672711245 is about 25936.6776014200. The cubic root of 672711245 is about 876.2127379771.

The spelling of 672711245 in words is "six hundred seventy-two million, seven hundred eleven thousand, two hundred forty-five".