67572713 has 8 divisors (see below), whose sum is σ = 72848328. Its totient is φ = 62308224.

The previous prime is 67572677. The next prime is 67572749. The reversal of 67572713 is 31727576.

It is an interprime number because it is at equal distance from previous prime (67572677) and next prime (67572749).

It can be written as a sum of positive squares in 4 ways, for example, as 20403289 + 47169424 = 4517^2 + 6868^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 67572713 - 2¹⁶ = 67507177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67572013) 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, 13331 + ... + 17687.

It is an arithmetic number, because the mean of its divisors is an integer number (9106041).

Almost surely, 2^67572713 is an apocalyptic number.

It is an amenable number.

67572713 is a deficient number, since it is larger than the sum of its proper divisors (5275615).

67572713 is a wasteful number, since it uses less digits than its factorization.

67572713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563.

The product of its digits is 61740, while the sum is 38.

The square root of 67572713 is about 8220.2623437455. The cubic root of 67572713 is about 407.3087925769.

The spelling of 67572713 in words is "sixty-seven million, five hundred seventy-two thousand, seven hundred thirteen".