722615070 has 16 divisors (see below), whose sum is σ = 1734276240. Its totient is φ = 192697344.

The previous prime is 722615027. The next prime is 722615077. The reversal of 722615070 is 70516227.

722615070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×722615070² = 1044345078782209800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 24087169 = 722615070 / (7 + 2 + 2 + 6 + 1 + 5 + 0 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722615077) 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, 12043555 + ... + 12043614.

It is an arithmetic number, because the mean of its divisors is an integer number (108392265).

Almost surely, 2^722615070 is an apocalyptic number.

722615070 is an abundant number, since it is smaller than the sum of its proper divisors (1011661170).

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

722615070 is a wasteful number, since it uses less digits than its factorization.

722615070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24087179.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 722615070 is about 26881.5005161542. The cubic root of 722615070 is about 897.3647481520.

The spelling of 722615070 in words is "seven hundred twenty-two million, six hundred fifteen thousand, seventy".