722276726 has 8 divisors (see below), whose sum is σ = 1120774320. Its totient is φ = 348685288.

The previous prime is 722276629. The next prime is 722276729. The reversal of 722276726 is 627672227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722276729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6226466 + ... + 6226581.

It is an arithmetic number, because the mean of its divisors is an integer number (140096790).

Almost surely, 2^722276726 is an apocalyptic number.

722276726 is a deficient number, since it is larger than the sum of its proper divisors (398497594).

722276726 is a wasteful number, since it uses less digits than its factorization.

722276726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12453078.

The product of its digits is 197568, while the sum is 41.

The square root of 722276726 is about 26875.2065294390. The cubic root of 722276726 is about 897.2246710948.

The spelling of 722276726 in words is "seven hundred twenty-two million, two hundred seventy-six thousand, seven hundred twenty-six".