722071626 has 16 divisors (see below), whose sum is σ = 1452124128. Its totient is φ = 239360400.

The previous prime is 722071621. The next prime is 722071627. The reversal of 722071626 is 626170227.

It is not an unprimeable number, because it can be changed into a prime (722071621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331360 + ... + 333531.

It is an arithmetic number, because the mean of its divisors is an integer number (90757758).

Almost surely, 2^722071626 is an apocalyptic number.

722071626 is an abundant number, since it is smaller than the sum of its proper divisors (730052502).

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

722071626 is a wasteful number, since it uses less digits than its factorization.

722071626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665077.

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

The square root of 722071626 is about 26871.3904738850. The cubic root of 722071626 is about 897.1397367963.

The spelling of 722071626 in words is "seven hundred twenty-two million, seventy-one thousand, six hundred twenty-six".