67375814506 has 32 divisors (see below), whose sum is σ = 135693952128. Its totient is φ = 24231061440.

The previous prime is 67375814491. The next prime is 67375814507. The reversal of 67375814506 is 60541857376.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67375814507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16825125 + ... + 16829128.

It is an arithmetic number, because the mean of its divisors is an integer number (4240436004).

Almost surely, 2^67375814506 is an apocalyptic number.

67375814506 is an abundant number, since it is smaller than the sum of its proper divisors (68318137622).

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

67375814506 is a wasteful number, since it uses less digits than its factorization.

67375814506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33654286.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 67375814506 in words is "sixty-seven billion, three hundred seventy-five million, eight hundred fourteen thousand, five hundred six".