672727637 has 8 divisors (see below), whose sum is σ = 683400000. Its totient is φ = 662073984.

The previous prime is 672727633. The next prime is 672727639. The reversal of 672727637 is 736727276.

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 672727637 - 2² = 672727633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672727591 and 672727600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672727633) 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, 79664 + ... + 87702.

It is an arithmetic number, because the mean of its divisors is an integer number (85425000).

Almost surely, 2^672727637 is an apocalyptic number.

672727637 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

672727637 is a deficient number, since it is larger than the sum of its proper divisors (10672363).

672727637 is a wasteful number, since it uses less digits than its factorization.

672727637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9355.

The product of its digits is 1037232, while the sum is 47.

The square root of 672727637 is about 25936.9935998758. The cubic root of 672727637 is about 876.2198548308.

The spelling of 672727637 in words is "six hundred seventy-two million, seven hundred twenty-seven thousand, six hundred thirty-seven".