67622725 has 6 divisors (see below), whose sum is σ = 83852210. Its totient is φ = 54098160.

The previous prime is 67622701. The next prime is 67622773. The reversal of 67622725 is 52722676.

It can be written as a sum of positive squares in 3 ways, for example, as 17581249 + 50041476 = 4193^2 + 7074^2 .

It is a de Polignac number, because none of the positive numbers 2^k-67622725 is a prime.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1352430 + ... + 1352479.

Almost surely, 2^67622725 is an apocalyptic number.

It is an amenable number.

67622725 is a deficient number, since it is larger than the sum of its proper divisors (16229485).

67622725 is a wasteful number, since it uses less digits than its factorization.

67622725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704919 (or 2704914 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 67622725 is about 8223.3037764636. The cubic root of 67622725 is about 407.4092537591.

The spelling of 67622725 in words is "sixty-seven million, six hundred twenty-two thousand, seven hundred twenty-five".