726860673 has 72 divisors (see below), whose sum is σ = 1333847424. Its totient is φ = 373317120.

The previous prime is 726860663. The next prime is 726860677. The reversal of 726860673 is 376068627.

It is not a de Polignac number, because 726860673 - 2⁹ = 726860161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726860677) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 738940 + ... + 739922.

Almost surely, 2^726860673 is an apocalyptic number.

It is an amenable number.

726860673 is a deficient number, since it is larger than the sum of its proper divisors (606986751).

726860673 is a wasteful number, since it uses less digits than its factorization.

726860673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 726860673 is about 26960.3537254243. The cubic root of 726860673 is about 899.1187559211.

The spelling of 726860673 in words is "seven hundred twenty-six million, eight hundred sixty thousand, six hundred seventy-three".