726726180 has 96 divisors (see below), whose sum is σ = 2130444288. Its totient is φ = 184867200.

The previous prime is 726726179. The next prime is 726726181. The reversal of 726726180 is 81627627.

It is an interprime number because it is at equal distance from previous prime (726726179) and next prime (726726181).

It is not an unprimeable number, because it can be changed into a prime (726726181) 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, 129309 + ... + 134811.

It is an arithmetic number, because the mean of its divisors is an integer number (22192128).

Almost surely, 2^726726180 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 726726180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065222144).

726726180 is an abundant number, since it is smaller than the sum of its proper divisors (1403718108).

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

726726180 is a wasteful number, since it uses less digits than its factorization.

726726180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 726726180 is about 26957.8593363791. The cubic root of 726726180 is about 899.0632970405.

The spelling of 726726180 in words is "seven hundred twenty-six million, seven hundred twenty-six thousand, one hundred eighty".