67994313 has 4 divisors (see below), whose sum is σ = 90659088. Its totient is φ = 45329540.

The previous prime is 67994291. The next prime is 67994341. The reversal of 67994313 is 31349976.

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 not a de Polignac number, because 67994313 - 2⁶ = 67994249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67990313) 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, 11332383 + ... + 11332388.

It is an arithmetic number, because the mean of its divisors is an integer number (22664772).

Almost surely, 2^67994313 is an apocalyptic number.

It is an amenable number.

67994313 is a deficient number, since it is larger than the sum of its proper divisors (22664775).

67994313 is a wasteful number, since it uses less digits than its factorization.

67994313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22664774.

The product of its digits is 122472, while the sum is 42.

The square root of 67994313 is about 8245.8664190005. The cubic root of 67994313 is about 408.1541312605.

The spelling of 67994313 in words is "sixty-seven million, nine hundred ninety-four thousand, three hundred thirteen".