67135425 has 24 divisors (see below), whose sum is σ = 126854976. Its totient is φ = 30690240.

The previous prime is 67135403. The next prime is 67135457. The reversal of 67135425 is 52453176.

It is not a de Polignac number, because 67135425 - 2⁶ = 67135361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63414 + ... + 64463.

It is an arithmetic number, because the mean of its divisors is an integer number (5285624).

Almost surely, 2^67135425 is an apocalyptic number.

It is an amenable number.

67135425 is a deficient number, since it is larger than the sum of its proper divisors (59719551).

67135425 is a wasteful number, since it uses less digits than its factorization.

67135425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127897 (or 127892 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 67135425 is about 8193.6209944078. The cubic root of 67135425 is about 406.4282752075.

The spelling of 67135425 in words is "sixty-seven million, one hundred thirty-five thousand, four hundred twenty-five".