67860131 has 4 divisors (see below), whose sum is σ = 68719200. Its totient is φ = 67001064.

The previous prime is 67860127. The next prime is 67860137. The reversal of 67860131 is 13106876.

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 67860131 - 2² = 67860127 is a prime.

It is a super-2 number, since 2×67860131² = 9209994758674322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67860137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429416 + ... + 429573.

It is an arithmetic number, because the mean of its divisors is an integer number (17179800).

Almost surely, 2^67860131 is an apocalyptic number.

67860131 is a deficient number, since it is larger than the sum of its proper divisors (859069).

67860131 is an equidigital number, since it uses as much as digits as its factorization.

67860131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859068.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 67860131 is about 8237.7260818748. The cubic root of 67860131 is about 407.8854666178.

The spelling of 67860131 in words is "sixty-seven million, eight hundred sixty thousand, one hundred thirty-one".