722476776 has 96 divisors (see below), whose sum is σ = 2108471040. Its totient is φ = 205696512.

The previous prime is 722476753. The next prime is 722476819. The reversal of 722476776 is 677674227.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395401 + ... + 397223.

It is an arithmetic number, because the mean of its divisors is an integer number (21963240).

Almost surely, 2^722476776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722476776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054235520).

722476776 is an abundant number, since it is smaller than the sum of its proper divisors (1385994264).

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

722476776 is a wasteful number, since it uses less digits than its factorization.

722476776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2172 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 48.

The square root of 722476776 is about 26878.9281036279. The cubic root of 722476776 is about 897.3074986411.

The spelling of 722476776 in words is "seven hundred twenty-two million, four hundred seventy-six thousand, seven hundred seventy-six".