726851315 has 4 divisors (see below), whose sum is σ = 872221584. Its totient is φ = 581481048.

The previous prime is 726851311. The next prime is 726851339. The reversal of 726851315 is 513158627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513158627 = 397 ⋅1292591.

It is a cyclic number.

It is not a de Polignac number, because 726851315 - 2² = 726851311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726851311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72685127 + ... + 72685136.

It is an arithmetic number, because the mean of its divisors is an integer number (218055396).

Almost surely, 2^726851315 is an apocalyptic number.

726851315 is a deficient number, since it is larger than the sum of its proper divisors (145370269).

726851315 is a wasteful number, since it uses less digits than its factorization.

726851315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145370268.

The product of its digits is 50400, while the sum is 38.

The square root of 726851315 is about 26960.1801737303. The cubic root of 726851315 is about 899.1148973231.

The spelling of 726851315 in words is "seven hundred twenty-six million, eight hundred fifty-one thousand, three hundred fifteen".