726741764 has 48 divisors (see below), whose sum is σ = 1539406848. Its totient is φ = 293455008.

The previous prime is 726741761. The next prime is 726741767. The reversal of 726741764 is 467147627.

It is an interprime number because it is at equal distance from previous prime (726741761) and next prime (726741767).

It is not an unprimeable number, because it can be changed into a prime (726741761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34727 + ... + 51569.

It is an arithmetic number, because the mean of its divisors is an integer number (32070976).

Almost surely, 2^726741764 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 726741764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769703424).

726741764 is an abundant number, since it is smaller than the sum of its proper divisors (812665084).

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

726741764 is a wasteful number, since it uses less digits than its factorization.

726741764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944 (or 16942 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 726741764 is about 26958.1483785515. The cubic root of 726741764 is about 899.0697235335.

The spelling of 726741764 in words is "seven hundred twenty-six million, seven hundred forty-one thousand, seven hundred sixty-four".