726999394 has 16 divisors (see below), whose sum is σ = 1252248480. Its totient is φ = 313061760.

The previous prime is 726999391. The next prime is 726999443. The reversal of 726999394 is 493999627.

It is not an unprimeable number, because it can be changed into a prime (726999391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869199 + ... + 870034.

It is an arithmetic number, because the mean of its divisors is an integer number (78265530).

Almost surely, 2^726999394 is an apocalyptic number.

726999394 is a deficient number, since it is larger than the sum of its proper divisors (525249086).

726999394 is a wasteful number, since it uses less digits than its factorization.

726999394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739265.

The product of its digits is 6613488, while the sum is 58.

The square root of 726999394 is about 26962.9262877752. The cubic root of 726999394 is about 899.1759510727.

The spelling of 726999394 in words is "seven hundred twenty-six million, nine hundred ninety-nine thousand, three hundred ninety-four".