722070540389 has 8 divisors (see below), whose sum is σ = 804473175168. Its totient is φ = 642461215360.

The previous prime is 722070540299. The next prime is 722070540403. The reversal of 722070540389 is 983045070227.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722070540389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722073540389) 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, 698326892 + ... + 698327925.

It is an arithmetic number, because the mean of its divisors is an integer number (100559146896).

Almost surely, 2^722070540389 is an apocalyptic number.

It is an amenable number.

722070540389 is a deficient number, since it is larger than the sum of its proper divisors (82402634779).

722070540389 is a wasteful number, since it uses less digits than its factorization.

722070540389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396654875.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 722070540389 in words is "seven hundred twenty-two billion, seventy million, five hundred forty thousand, three hundred eighty-nine".