722573727 has 8 divisors (see below), whose sum is σ = 1005320064. Its totient is φ = 460771608.

The previous prime is 722573711. The next prime is 722573759. The reversal of 722573727 is 727375227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722573727 - 2⁴ = 722573711 is a prime.

It is a super-2 number, since 2×722573727² = 1044225581901341058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722573227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5235973 + ... + 5236110.

It is an arithmetic number, because the mean of its divisors is an integer number (125665008).

Almost surely, 2^722573727 is an apocalyptic number.

722573727 is a deficient number, since it is larger than the sum of its proper divisors (282746337).

722573727 is a wasteful number, since it uses less digits than its factorization.

722573727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472109.

The product of its digits is 288120, while the sum is 42.

The square root of 722573727 is about 26880.7315190640. The cubic root of 722573727 is about 897.3476341726.

The spelling of 722573727 in words is "seven hundred twenty-two million, five hundred seventy-three thousand, seven hundred twenty-seven".