672867653 has 8 divisors (see below), whose sum is σ = 714552000. Its totient is φ = 631810368.

The previous prime is 672867649. The next prime is 672867659. The reversal of 672867653 is 356768276.

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 672867653 - 2² = 672867649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672867659) 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, 154553 + ... + 158846.

It is an arithmetic number, because the mean of its divisors is an integer number (89319000).

Almost surely, 2^672867653 is an apocalyptic number.

It is an amenable number.

672867653 is a deficient number, since it is larger than the sum of its proper divisors (41684347).

672867653 is a wasteful number, since it uses less digits than its factorization.

672867653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313531.

The product of its digits is 2540160, while the sum is 50.

The square root of 672867653 is about 25939.6926157578. The cubic root of 672867653 is about 876.2806403463.

The spelling of 672867653 in words is "six hundred seventy-two million, eight hundred sixty-seven thousand, six hundred fifty-three".