726746452236 has 192 divisors, whose sum is σ = 2323009704960. Its totient is φ = 191740124160.

The previous prime is 726746452193. The next prime is 726746452249. The reversal of 726746452236 is 632254647627.

726746452236 is a `hidden beast` number, since 7 + 26 + 7 + 4 + 64 + 522 + 36 = 666.

It is a super-2 number, since 2×726746452236² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147691 + ... + 1214621.

It is an arithmetic number, because the mean of its divisors is an integer number (12099008880).

Almost surely, 2^726746452236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726746452236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161504852480).

726746452236 is an abundant number, since it is smaller than the sum of its proper divisors (1596263252724).

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

726746452236 is a wasteful number, since it uses less digits than its factorization.

726746452236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067021 (or 1067013 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 726746452236 in words is "seven hundred twenty-six billion, seven hundred forty-six million, four hundred fifty-two thousand, two hundred thirty-six".