67068147 has 4 divisors (see below), whose sum is σ = 89424200. Its totient is φ = 44712096.

The previous prime is 67068101. The next prime is 67068151. The reversal of 67068147 is 74186076.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 67068147 - 2⁷ = 67068019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67068167) 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, 11178022 + ... + 11178027.

It is an arithmetic number, because the mean of its divisors is an integer number (22356050).

Almost surely, 2^67068147 is an apocalyptic number.

67068147 is a deficient number, since it is larger than the sum of its proper divisors (22356053).

67068147 is a wasteful number, since it uses less digits than its factorization.

67068147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22356052.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 67068147 is about 8189.5144544716. The cubic root of 67068147 is about 406.2924660302.

The spelling of 67068147 in words is "sixty-seven million, sixty-eight thousand, one hundred forty-seven".