67694425 has 24 divisors (see below), whose sum is σ = 89559000. Its totient is φ = 50580480.

The previous prime is 67694377. The next prime is 67694441. The reversal of 67694425 is 52449676.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 22924944 + 44769481 = 4788^2 + 6691^2 .

It is not a de Polignac number, because 67694425 - 2¹¹ = 67692377 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62791 + ... + 63859.

It is an arithmetic number, because the mean of its divisors is an integer number (3731625).

Almost surely, 2^67694425 is an apocalyptic number.

It is an amenable number.

67694425 is a deficient number, since it is larger than the sum of its proper divisors (21864575).

67694425 is a wasteful number, since it uses less digits than its factorization.

67694425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1240 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 67694425 is about 8227.6621831478. The cubic root of 67694425 is about 407.5531941549.

The spelling of 67694425 in words is "sixty-seven million, six hundred ninety-four thousand, four hundred twenty-five".