722415735875 has 8 divisors (see below), whose sum is σ = 901574838528. Its totient is φ = 577932588600.

The previous prime is 722415735871. The next prime is 722415735919. The reversal of 722415735875 is 578537514227.

It is a happy number.

It is not a de Polignac number, because 722415735875 - 2² = 722415735871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722415735875.

It is not an unprimeable number, because it can be changed into a prime (722415735871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889662819 + ... + 2889663068.

It is an arithmetic number, because the mean of its divisors is an integer number (112696854816).

Almost surely, 2^722415735875 is an apocalyptic number.

722415735875 is a deficient number, since it is larger than the sum of its proper divisors (179159102653).

722415735875 is an equidigital number, since it uses as much as digits as its factorization.

722415735875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779325902 (or 5779325892 counting only the distinct ones).

The product of its digits is 16464000, while the sum is 56.

The spelling of 722415735875 in words is "seven hundred twenty-two billion, four hundred fifteen million, seven hundred thirty-five thousand, eight hundred seventy-five".