726790344 has 192 divisors, whose sum is σ = 2218622400. Its totient is φ = 197568000.

The previous prime is 726790333. The next prime is 726790367. The reversal of 726790344 is 443097627.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 726790296 and 726790305.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3444399 + ... + 3444609.

It is an arithmetic number, because the mean of its divisors is an integer number (11555325).

Almost surely, 2^726790344 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 726790344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109311200).

726790344 is an abundant number, since it is smaller than the sum of its proper divisors (1491832056).

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

726790344 is a wasteful number, since it uses less digits than its factorization.

726790344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 726790344 is about 26959.0493897689. The cubic root of 726790344 is about 899.0897562495.

The spelling of 726790344 in words is "seven hundred twenty-six million, seven hundred ninety thousand, three hundred forty-four".