67049131 has 8 divisors (see below), whose sum is σ = 69498720. Its totient is φ = 64608768.

The previous prime is 67049093. The next prime is 67049141. The reversal of 67049131 is 13194076.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67049131 is a prime.

It is a super-2 number, since 2×67049131² = 8991171935710322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67049093 and 67049102.

It is not an unprimeable number, because it can be changed into a prime (67049141) 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, 14730 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (8687340).

Almost surely, 2^67049131 is an apocalyptic number.

67049131 is a deficient number, since it is larger than the sum of its proper divisors (2449589).

67049131 is a wasteful number, since it uses less digits than its factorization.

67049131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 67049131 is about 8188.3533753741. The cubic root of 67049131 is about 406.2540633598.

The spelling of 67049131 in words is "sixty-seven million, forty-nine thousand, one hundred thirty-one".