4572709 has 2 divisors, whose sum is σ = 4572710. Its totient is φ = 4572708.

The previous prime is 4572707. The next prime is 4572721. The reversal of 4572709 is 9072754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2411809 + 2160900 = 1553^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 4572709 - 2¹ = 4572707 is a prime.

Together with 4572707, it forms a pair of twin primes.

4572709 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4572707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286354 + 2286355.

It is an arithmetic number, because the mean of its divisors is an integer number (2286355).

Almost surely, 2^4572709 is an apocalyptic number.

It is an amenable number.

4572709 is a deficient number, since it is larger than the sum of its proper divisors (1).

4572709 is an equidigital number, since it uses as much as digits as its factorization.

4572709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 4572709 is about 2138.3893471489. The cubic root of 4572709 is about 165.9808005085.

The spelling of 4572709 in words is "four million, five hundred seventy-two thousand, seven hundred nine".