726129956952 has 96 divisors (see below), whose sum is σ = 1970440692480. Its totient is φ = 241571332800.

The previous prime is 726129956879. The next prime is 726129956963. The reversal of 726129956952 is 259659921627.

726129956952 is a `hidden beast` number, since 7 + 2 + 6 + 12 + 9 + 9 + 569 + 52 = 666.

It is a super-2 number, since 2×726129956952² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 726129956952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98776077 + ... + 98783427.

It is an arithmetic number, because the mean of its divisors is an integer number (20525423880).

Almost surely, 2^726129956952 is an apocalyptic number.

726129956952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

726129956952 is an abundant number, since it is smaller than the sum of its proper divisors (1244310735528).

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

726129956952 is a wasteful number, since it uses less digits than its factorization.

726129956952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9853 (or 9846 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The spelling of 726129956952 in words is "seven hundred twenty-six billion, one hundred twenty-nine million, nine hundred fifty-six thousand, nine hundred fifty-two".