726919086136 has 32 divisors (see below), whose sum is σ = 1410714921600. Its totient is φ = 350741641600.

The previous prime is 726919086083. The next prime is 726919086151. The reversal of 726919086136 is 631680919627.

It is a super-2 number, since 2×726919086136² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

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, 383080 + ... + 1265143.

It is an arithmetic number, because the mean of its divisors is an integer number (44084841300).

Almost surely, 2^726919086136 is an apocalyptic number.

It is an amenable number.

726919086136 is a deficient number, since it is larger than the sum of its proper divisors (683795835464).

726919086136 is a wasteful number, since it uses less digits than its factorization.

726919086136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650159 (or 1650155 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 726919086136 in words is "seven hundred twenty-six billion, nine hundred nineteen million, eighty-six thousand, one hundred thirty-six".