573246721 has 8 divisors (see below), whose sum is σ = 583861824. Its totient is φ = 562720080.

The previous prime is 573246691. The next prime is 573246727. The reversal of 573246721 is 127642375.

It is a happy number.

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

It is not a de Polignac number, because 573246721 - 2⁵ = 573246689 is a prime.

It is a super-2 number, since 2×573246721² = 657223606274503682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573246727) 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, 8965 + ... + 35026.

It is an arithmetic number, because the mean of its divisors is an integer number (72982728).

Almost surely, 2^573246721 is an apocalyptic number.

It is an amenable number.

573246721 is a deficient number, since it is larger than the sum of its proper divisors (10615103).

573246721 is a wasteful number, since it uses less digits than its factorization.

573246721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44231.

The product of its digits is 70560, while the sum is 37.

The square root of 573246721 is about 23942.5713113692. The cubic root of 573246721 is about 830.7057050272.

The spelling of 573246721 in words is "five hundred seventy-three million, two hundred forty-six thousand, seven hundred twenty-one".