726814387 has 16 divisors (see below), whose sum is σ = 802690560. Its totient is φ = 653956992.

The previous prime is 726814367. The next prime is 726814393. The reversal of 726814387 is 783418627.

It is not a de Polignac number, because 726814387 - 2⁷ = 726814259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726814357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104814 + ... + 111532.

It is an arithmetic number, because the mean of its divisors is an integer number (50168160).

Almost surely, 2^726814387 is an apocalyptic number.

726814387 is a deficient number, since it is larger than the sum of its proper divisors (75876173).

726814387 is a wasteful number, since it uses less digits than its factorization.

726814387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942.

The product of its digits is 451584, while the sum is 46.

The square root of 726814387 is about 26959.4953031395. The cubic root of 726814387 is about 899.0996704229.

The spelling of 726814387 in words is "seven hundred twenty-six million, eight hundred fourteen thousand, three hundred eighty-seven".