67199413 has 4 divisors (see below), whose sum is σ = 69367168. Its totient is φ = 65031660.

The previous prime is 67199387. The next prime is 67199417. The reversal of 67199413 is 31499176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67199413 is a prime.

It is a super-2 number, since 2×67199413² = 9031522215089138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67199417) 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, 1083831 + ... + 1083892.

It is an arithmetic number, because the mean of its divisors is an integer number (17341792).

Almost surely, 2^67199413 is an apocalyptic number.

It is an amenable number.

67199413 is a deficient number, since it is larger than the sum of its proper divisors (2167755).

67199413 is a wasteful number, since it uses less digits than its factorization.

67199413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167754.

The product of its digits is 40824, while the sum is 40.

The square root of 67199413 is about 8197.5248093556. The cubic root of 67199413 is about 406.5573589434.

The spelling of 67199413 in words is "sixty-seven million, one hundred ninety-nine thousand, four hundred thirteen".