672155726 has 48 divisors (see below), whose sum is σ = 1164173472. Its totient is φ = 290283840.

The previous prime is 672155711. The next prime is 672155773. The reversal of 672155726 is 627551276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1096196 + ... + 1096808.

It is an arithmetic number, because the mean of its divisors is an integer number (24253614).

Almost surely, 2^672155726 is an apocalyptic number.

672155726 is a deficient number, since it is larger than the sum of its proper divisors (492017746).

672155726 is a wasteful number, since it uses less digits than its factorization.

672155726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 846 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 672155726 is about 25925.9662500745. The cubic root of 672155726 is about 875.9714819779.

The spelling of 672155726 in words is "six hundred seventy-two million, one hundred fifty-five thousand, seven hundred twenty-six".