67616625 has 16 divisors (see below), whose sum is σ = 112514688. Its totient is φ = 36062000.

The previous prime is 67616623. The next prime is 67616651. The reversal of 67616625 is 52661676.

It is not a de Polignac number, because 67616625 - 2¹ = 67616623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67616623) 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, 89781 + ... + 90530.

It is an arithmetic number, because the mean of its divisors is an integer number (7032168).

Almost surely, 2^67616625 is an apocalyptic number.

It is an amenable number.

67616625 is a deficient number, since it is larger than the sum of its proper divisors (44898063).

67616625 is a wasteful number, since it uses less digits than its factorization.

67616625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180329 (or 180319 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 67616625 is about 8222.9328709409. The cubic root of 67616625 is about 407.3970030885.

The spelling of 67616625 in words is "sixty-seven million, six hundred sixteen thousand, six hundred twenty-five".