67138296 has 32 divisors (see below), whose sum is σ = 169175040. Its totient is φ = 22202208.

The previous prime is 67138289. The next prime is 67138297. The reversal of 67138296 is 69283176.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67138297) 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, 7966 + ... + 14061.

It is an arithmetic number, because the mean of its divisors is an integer number (5286720).

Almost surely, 2^67138296 is an apocalyptic number.

It is an amenable number.

67138296 is an abundant number, since it is smaller than the sum of its proper divisors (102036744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67138296 is a wasteful number, since it uses less digits than its factorization.

67138296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22163 (or 22159 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 67138296 is about 8193.7961898012. The cubic root of 67138296 is about 406.4340686662.

The spelling of 67138296 in words is "sixty-seven million, one hundred thirty-eight thousand, two hundred ninety-six".