722146790 has 8 divisors (see below), whose sum is σ = 1299864240. Its totient is φ = 288858712.

The previous prime is 722146787. The next prime is 722146793. The reversal of 722146790 is 97641227.

722146790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (722146787) and next prime (722146793).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722146793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36107330 + ... + 36107349.

It is an arithmetic number, because the mean of its divisors is an integer number (162483030).

Almost surely, 2^722146790 is an apocalyptic number.

722146790 is a deficient number, since it is larger than the sum of its proper divisors (577717450).

722146790 is a wasteful number, since it uses less digits than its factorization.

722146790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72214686.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 722146790 is about 26872.7890253319. The cubic root of 722146790 is about 897.1708649509.

The spelling of 722146790 in words is "seven hundred twenty-two million, one hundred forty-six thousand, seven hundred ninety".