672196345 has 16 divisors (see below), whose sum is σ = 850631040. Its totient is φ = 508529664.

The previous prime is 672196319. The next prime is 672196387. The reversal of 672196345 is 543691276.

It is a cyclic number.

It is not a de Polignac number, because 672196345 - 2²⁹ = 135325433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48684 + ... + 60946.

It is an arithmetic number, because the mean of its divisors is an integer number (53164440).

Almost surely, 2^672196345 is an apocalyptic number.

It is an amenable number.

672196345 is a deficient number, since it is larger than the sum of its proper divisors (178434695).

672196345 is a wasteful number, since it uses less digits than its factorization.

672196345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864.

The product of its digits is 272160, while the sum is 43.

The square root of 672196345 is about 25926.7496034501. The cubic root of 672196345 is about 875.9891268814.

The spelling of 672196345 in words is "six hundred seventy-two million, one hundred ninety-six thousand, three hundred forty-five".