672444361 has 8 divisors (see below), whose sum is σ = 687471840. Its totient is φ = 657563808.

The previous prime is 672444349. The next prime is 672444379. The reversal of 672444361 is 163444276.

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 672444361 - 2¹¹ = 672442313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672444361.

It is not an unprimeable number, because it can be changed into a prime (672444961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27451 + ... + 45808.

It is an arithmetic number, because the mean of its divisors is an integer number (85933980).

Almost surely, 2^672444361 is an apocalyptic number.

It is an amenable number.

672444361 is a deficient number, since it is larger than the sum of its proper divisors (15027479).

672444361 is a wasteful number, since it uses less digits than its factorization.

672444361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73463.

The product of its digits is 96768, while the sum is 37.

The square root of 672444361 is about 25931.5321760979. The cubic root of 672444361 is about 876.0968496751.

The spelling of 672444361 in words is "six hundred seventy-two million, four hundred forty-four thousand, three hundred sixty-one".