67625232571 has 4 divisors (see below), whose sum is σ = 72827173552. Its totient is φ = 62423291592.

The previous prime is 67625232557. The next prime is 67625232583. The reversal of 67625232571 is 17523252676.

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 67625232571 - 2⁵ = 67625232539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67625202571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600970471 + ... + 2600970496.

It is an arithmetic number, because the mean of its divisors is an integer number (18206793388).

Almost surely, 2^67625232571 is an apocalyptic number.

67625232571 is a deficient number, since it is larger than the sum of its proper divisors (5201940981).

67625232571 is a wasteful number, since it uses less digits than its factorization.

67625232571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201940980.

The product of its digits is 1058400, while the sum is 46.

The spelling of 67625232571 in words is "sixty-seven billion, six hundred twenty-five million, two hundred thirty-two thousand, five hundred seventy-one".