67655313 has 24 divisors (see below), whose sum is σ = 107467776. Its totient is φ = 40672800.

The previous prime is 67655309. The next prime is 67655321. The reversal of 67655313 is 31355676.

It is a happy number.

67655313 is a `hidden beast` number, since 67 + 65 + 531 + 3 = 666.

It is not a de Polignac number, because 67655313 - 2² = 67655309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67655303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9883 + ... + 15263.

It is an arithmetic number, because the mean of its divisors is an integer number (4477824).

Almost surely, 2^67655313 is an apocalyptic number.

It is an amenable number.

67655313 is a deficient number, since it is larger than the sum of its proper divisors (39812463).

67655313 is a wasteful number, since it uses less digits than its factorization.

67655313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525 (or 5522 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 67655313 is about 8225.2849798654. The cubic root of 67655313 is about 407.4746879782.

The spelling of 67655313 in words is "sixty-seven million, six hundred fifty-five thousand, three hundred thirteen".