726735268765212 has 96 divisors (see below), whose sum is σ = 1942639342436352. Its totient is φ = 207137594575296.

The previous prime is 726735268765211. The next prime is 726735268765409. The reversal of 726735268765212 is 212567862537627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726735268765211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150981643 + ... + 155720669.

It is an arithmetic number, because the mean of its divisors is an integer number (20235826483712).

Almost surely, 2^{726735268765212} is an apocalyptic number.

It is an amenable number.

726735268765212 is an abundant number, since it is smaller than the sum of its proper divisors (1215904073671140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726735268765212 is a wasteful number, since it uses less digits than its factorization.

726735268765212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743447 (or 4743445 counting only the distinct ones).

The product of its digits is 711244800, while the sum is 69.

The spelling of 726735268765212 in words is "seven hundred twenty-six trillion, seven hundred thirty-five billion, two hundred sixty-eight million, seven hundred sixty-five thousand, two hundred twelve".