67620677 has 4 divisors (see below), whose sum is σ = 71179680. Its totient is φ = 64061676.

The previous prime is 67620673. The next prime is 67620689. The reversal of 67620677 is 77602676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67620677 - 2² = 67620673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67620671) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1779473 + ... + 1779510.

It is an arithmetic number, because the mean of its divisors is an integer number (17794920).

Almost surely, 2^67620677 is an apocalyptic number.

It is an amenable number.

67620677 is a deficient number, since it is larger than the sum of its proper divisors (3559003).

67620677 is a wasteful number, since it uses less digits than its factorization.

67620677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559002.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 67620677 is about 8223.1792513601. The cubic root of 67620677 is about 407.4051408292.

The spelling of 67620677 in words is "sixty-seven million, six hundred twenty thousand, six hundred seventy-seven".