67620135 has 32 divisors (see below), whose sum is σ = 124975872. Its totient is φ = 30855680.

The previous prime is 67620097. The next prime is 67620151. The reversal of 67620135 is 53102676.

It is not a de Polignac number, because 67620135 - 2⁶ = 67620071 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 31 ways as a sum of consecutive naturals, for example, 9249 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (3905496).

Almost surely, 2^67620135 is an apocalyptic number.

67620135 is a deficient number, since it is larger than the sum of its proper divisors (57355737).

67620135 is a wasteful number, since it uses less digits than its factorization.

67620135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24143.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 67620135 is about 8223.1462956705. The cubic root of 67620135 is about 407.4040523349.

The spelling of 67620135 in words is "sixty-seven million, six hundred twenty thousand, one hundred thirty-five".