726106740 has 96 divisors (see below), whose sum is σ = 2064980736. Its totient is φ = 190617600.

The previous prime is 726106709. The next prime is 726106741. The reversal of 726106740 is 47601627.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726106741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1810540 + ... + 1810940.

It is an arithmetic number, because the mean of its divisors is an integer number (21510216).

Almost surely, 2^726106740 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 726106740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032490368).

726106740 is an abundant number, since it is smaller than the sum of its proper divisors (1338873996).

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

726106740 is a wasteful number, since it uses less digits than its factorization.

726106740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 726106740 is about 26946.3678442940. The cubic root of 726106740 is about 898.8077793999.

The spelling of 726106740 in words is "seven hundred twenty-six million, one hundred six thousand, seven hundred forty".