726734814 has 48 divisors (see below), whose sum is σ = 1586179584. Its totient is φ = 221863200.

The previous prime is 726734779. The next prime is 726734837. The reversal of 726734814 is 418437627.

It is a super-2 number, since 2×726734814² = 1056286979759229192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130099 + ... + 135569.

It is an arithmetic number, because the mean of its divisors is an integer number (33045408).

Almost surely, 2^726734814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726734814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793089792).

726734814 is an abundant number, since it is smaller than the sum of its proper divisors (859444770).

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

726734814 is a wasteful number, since it uses less digits than its factorization.

726734814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633 (or 5620 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 726734814 is about 26958.0194747314. The cubic root of 726734814 is about 899.0668575203.

The spelling of 726734814 in words is "seven hundred twenty-six million, seven hundred thirty-four thousand, eight hundred fourteen".