722571479 has 4 divisors (see below), whose sum is σ = 825795984. Its totient is φ = 619346976.

The previous prime is 722571433. The next prime is 722571481. The reversal of 722571479 is 974175227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722571479 - 2¹² = 722567383 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 (722571679) 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, 51612242 + ... + 51612255.

It is an arithmetic number, because the mean of its divisors is an integer number (206448996).

Almost surely, 2^722571479 is an apocalyptic number.

722571479 is a deficient number, since it is larger than the sum of its proper divisors (103224505).

722571479 is a wasteful number, since it uses less digits than its factorization.

722571479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103224504.

The product of its digits is 246960, while the sum is 44.

The square root of 722571479 is about 26880.6897046932. The cubic root of 722571479 is about 897.3467035919.

The spelling of 722571479 in words is "seven hundred twenty-two million, five hundred seventy-one thousand, four hundred seventy-nine".