672335245 has 4 divisors (see below), whose sum is σ = 806802300. Its totient is φ = 537868192.

The previous prime is 672335239. The next prime is 672335291. The reversal of 672335245 is 542533276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344399364 + 327935881 = 18558^2 + 18109^2 .

It is a cyclic number.

It is not a de Polignac number, because 672335245 - 2⁷ = 672335117 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 67233520 + ... + 67233529.

It is an arithmetic number, because the mean of its divisors is an integer number (201700575).

Almost surely, 2^672335245 is an apocalyptic number.

It is an amenable number.

672335245 is a deficient number, since it is larger than the sum of its proper divisors (134467055).

672335245 is a wasteful number, since it uses less digits than its factorization.

672335245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134467054.

The product of its digits is 151200, while the sum is 37.

The square root of 672335245 is about 25929.4281656962. The cubic root of 672335245 is about 876.0494597047.

The spelling of 672335245 in words is "six hundred seventy-two million, three hundred thirty-five thousand, two hundred forty-five".