726733340 has 24 divisors (see below), whose sum is σ = 1615913712. Its totient is φ = 273593600.

The previous prime is 726733333. The next prime is 726733361. The reversal of 726733340 is 43337627.

It is a self number, because there is not a number n which added to its sum of digits gives 726733340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068386 + ... + 1069065.

It is an arithmetic number, because the mean of its divisors is an integer number (67329738).

Almost surely, 2^726733340 is an apocalyptic number.

It is an amenable number.

726733340 is an abundant number, since it is smaller than the sum of its proper divisors (889180372).

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

726733340 is a wasteful number, since it uses less digits than its factorization.

726733340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137477 (or 2137475 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 35.

The square root of 726733340 is about 26957.9921359140. The cubic root of 726733340 is about 899.0662496757.

The spelling of 726733340 in words is "seven hundred twenty-six million, seven hundred thirty-three thousand, three hundred forty".