722068073 has 4 divisors (see below), whose sum is σ = 722241408. Its totient is φ = 721894740.

The previous prime is 722068063. The next prime is 722068099. The reversal of 722068073 is 370860227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 722068073 - 2⁴ = 722068057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722068063) 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, 80261 + ... + 88802.

It is an arithmetic number, because the mean of its divisors is an integer number (180560352).

Almost surely, 2^722068073 is an apocalyptic number.

It is an amenable number.

722068073 is a deficient number, since it is larger than the sum of its proper divisors (173335).

722068073 is a wasteful number, since it uses less digits than its factorization.

722068073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173334.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 722068073 is about 26871.3243625989. The cubic root of 722068073 is about 897.1382653159.

The spelling of 722068073 in words is "seven hundred twenty-two million, sixty-eight thousand, seventy-three".