67315247 has 8 divisors (see below), whose sum is σ = 70441056. Its totient is φ = 64258272.

The previous prime is 67315219. The next prime is 67315249. The reversal of 67315247 is 74251376.

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

It is a cyclic number.

It is not a de Polignac number, because 67315247 - 2⁸ = 67314991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67315249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15203 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (8805132).

Almost surely, 2^67315247 is an apocalyptic number.

67315247 is a deficient number, since it is larger than the sum of its proper divisors (3125809).

67315247 is a wasteful number, since it uses less digits than its factorization.

67315247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34417.

The product of its digits is 35280, while the sum is 35.

The square root of 67315247 is about 8204.5869487744. The cubic root of 67315247 is about 406.7908239405.

The spelling of 67315247 in words is "sixty-seven million, three hundred fifteen thousand, two hundred forty-seven".