722390070 has 64 divisors (see below), whose sum is σ = 1869557760. Its totient is φ = 178041600.

The previous prime is 722390069. The next prime is 722390107. The reversal of 722390070 is 70093227.

722390070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7915 + ... + 38825.

It is an arithmetic number, because the mean of its divisors is an integer number (29211840).

Almost surely, 2^722390070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722390070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934778880).

722390070 is an abundant number, since it is smaller than the sum of its proper divisors (1147167690).

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

722390070 is a wasteful number, since it uses less digits than its factorization.

722390070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30981.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 722390070 is about 26877.3151560940. The cubic root of 722390070 is about 897.2716012673.

The spelling of 722390070 in words is "seven hundred twenty-two million, three hundred ninety thousand, seventy".