67620136 has 16 divisors (see below), whose sum is σ = 128937600. Its totient is φ = 33236784.

The previous prime is 67620097. The next prime is 67620151. The reversal of 67620136 is 63102676.

It is a junction number, because it is equal to n+sod(n) for n = 67620098 and 67620107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71160 + ... + 72103.

It is an arithmetic number, because the mean of its divisors is an integer number (8058600).

Almost surely, 2^67620136 is an apocalyptic number.

It is an amenable number.

67620136 is a deficient number, since it is larger than the sum of its proper divisors (61317464).

67620136 is a wasteful number, since it uses less digits than its factorization.

67620136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143328 (or 143324 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 67620136 is about 8223.1463564745. The cubic root of 67620136 is about 407.4040543432.

The spelling of 67620136 in words is "sixty-seven million, six hundred twenty thousand, one hundred thirty-six".