722742631846 has 8 divisors (see below), whose sum is σ = 1084180033080. Its totient is φ = 361349287488.

The previous prime is 722742631817. The next prime is 722742631859. The reversal of 722742631846 is 648136247227.

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

It is a junction number, because it is equal to n+sod(n) for n = 722742631793 and 722742631802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10973176 + ... + 11038843.

It is an arithmetic number, because the mean of its divisors is an integer number (135522504135).

Almost surely, 2^722742631846 is an apocalyptic number.

722742631846 is a deficient number, since it is larger than the sum of its proper divisors (361437401234).

722742631846 is a wasteful number, since it uses less digits than its factorization.

722742631846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22028438.

The product of its digits is 5419008, while the sum is 52.

The spelling of 722742631846 in words is "seven hundred twenty-two billion, seven hundred forty-two million, six hundred thirty-one thousand, eight hundred forty-six".