722173026 has 16 divisors (see below), whose sum is σ = 1450656000. Its totient is φ = 239672688.

The previous prime is 722172977. The next prime is 722173027. The reversal of 722173026 is 620371227.

722173026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 722172984 and 722173002.

It is not an unprimeable number, because it can be changed into a prime (722173027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261426 + ... + 264173.

It is an arithmetic number, because the mean of its divisors is an integer number (90666000).

Almost surely, 2^722173026 is an apocalyptic number.

722173026 is an abundant number, since it is smaller than the sum of its proper divisors (728482974).

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

722173026 is a wasteful number, since it uses less digits than its factorization.

722173026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525833.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 722173026 is about 26873.2771726859. The cubic root of 722173026 is about 897.1817297271.

The spelling of 722173026 in words is "seven hundred twenty-two million, one hundred seventy-three thousand, twenty-six".