726190318 has 16 divisors (see below), whose sum is σ = 1254703104. Its totient is φ = 308773080.

The previous prime is 726190271. The next prime is 726190327. The reversal of 726190318 is 813091627.

726190318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×726190318² = 1054704755913882248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202438 + ... + 205993.

It is an arithmetic number, because the mean of its divisors is an integer number (78418944).

Almost surely, 2^726190318 is an apocalyptic number.

726190318 is a deficient number, since it is larger than the sum of its proper divisors (528512786).

726190318 is a wasteful number, since it uses less digits than its factorization.

726190318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408567.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 726190318 is about 26947.9186209251. The cubic root of 726190318 is about 898.8422636203.

It can be divided in two parts, 7261 and 90318, that added together give a palindrome (97579).

The spelling of 726190318 in words is "seven hundred twenty-six million, one hundred ninety thousand, three hundred eighteen".