722048879 has 4 divisors (see below), whose sum is σ = 724794576. Its totient is φ = 719303184.

The previous prime is 722048863. The next prime is 722048897. The reversal of 722048879 is 978840227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978840227 = 2311 ⋅423557.

It is a cyclic number.

It is not a de Polignac number, because 722048879 - 2⁴ = 722048863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722048179) 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 3 ways as a sum of consecutive naturals, for example, 1372454 + ... + 1372979.

It is an arithmetic number, because the mean of its divisors is an integer number (181198644).

Almost surely, 2^722048879 is an apocalyptic number.

722048879 is a deficient number, since it is larger than the sum of its proper divisors (2745697).

722048879 is a wasteful number, since it uses less digits than its factorization.

722048879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745696.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 722048879 is about 26870.9672137048. The cubic root of 722048879 is about 897.1303160079.

The spelling of 722048879 in words is "seven hundred twenty-two million, forty-eight thousand, eight hundred seventy-nine".