722871043 has 4 divisors (see below), whose sum is σ = 723030408. Its totient is φ = 722711680.

The previous prime is 722871031. The next prime is 722871067. The reversal of 722871043 is 340178227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340178227 = 8941 ⋅38047.

It is a cyclic number.

It is not a de Polignac number, because 722871043 - 2⁵ = 722871011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722871143) 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, 72673 + ... + 82018.

It is an arithmetic number, because the mean of its divisors is an integer number (180757602).

Almost surely, 2^722871043 is an apocalyptic number.

722871043 is a deficient number, since it is larger than the sum of its proper divisors (159365).

722871043 is a wasteful number, since it uses less digits than its factorization.

722871043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159364.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 722871043 is about 26886.2612313427. The cubic root of 722871043 is about 897.4706939218.

The spelling of 722871043 in words is "seven hundred twenty-two million, eight hundred seventy-one thousand, forty-three".