67692113 has 4 divisors (see below), whose sum is σ = 71674020. Its totient is φ = 63710208.

The previous prime is 67692109. The next prime is 67692133. The reversal of 67692113 is 31129676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39037504 + 28654609 = 6248^2 + 5353^2 .

It is a cyclic number.

It is not a de Polignac number, because 67692113 - 2² = 67692109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67692103) 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, 1990928 + ... + 1990961.

It is an arithmetic number, because the mean of its divisors is an integer number (17918505).

Almost surely, 2^67692113 is an apocalyptic number.

It is an amenable number.

67692113 is a deficient number, since it is larger than the sum of its proper divisors (3981907).

67692113 is a wasteful number, since it uses less digits than its factorization.

67692113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981906.

The product of its digits is 13608, while the sum is 35.

The square root of 67692113 is about 8227.5216803118. The cubic root of 67692113 is about 407.5485543158.

The spelling of 67692113 in words is "sixty-seven million, six hundred ninety-two thousand, one hundred thirteen".