672268687 has 8 divisors (see below), whose sum is σ = 686399616. Its totient is φ = 658258392.

The previous prime is 672268673. The next prime is 672268693. The reversal of 672268687 is 786862276.

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 672268687 - 2⁷ = 672268559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672268637) 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, 18853 + ... + 41230.

It is an arithmetic number, because the mean of its divisors is an integer number (85799952).

Almost surely, 2^672268687 is an apocalyptic number.

672268687 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

672268687 is a deficient number, since it is larger than the sum of its proper divisors (14130929).

672268687 is a wasteful number, since it uses less digits than its factorization.

672268687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60317.

The product of its digits is 2709504, while the sum is 52.

The square root of 672268687 is about 25928.1446887354. The cubic root of 672268687 is about 876.0205505038.

The spelling of 672268687 in words is "six hundred seventy-two million, two hundred sixty-eight thousand, six hundred eighty-seven".