722472763 has 4 divisors (see below), whose sum is σ = 745778368. Its totient is φ = 699167160.

The previous prime is 722472761. The next prime is 722472791. The reversal of 722472763 is 367274227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367274227 = 3833 ⋅95819.

It is a cyclic number.

It is not a de Polignac number, because 722472763 - 2¹ = 722472761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722472761) 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, 11652756 + ... + 11652817.

It is an arithmetic number, because the mean of its divisors is an integer number (186444592).

Almost surely, 2^722472763 is an apocalyptic number.

722472763 is a deficient number, since it is larger than the sum of its proper divisors (23305605).

722472763 is a wasteful number, since it uses less digits than its factorization.

722472763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23305604.

The product of its digits is 197568, while the sum is 40.

The square root of 722472763 is about 26878.8534539701. The cubic root of 722472763 is about 897.3058372720.

The spelling of 722472763 in words is "seven hundred twenty-two million, four hundred seventy-two thousand, seven hundred sixty-three".