67676555 has 4 divisors (see below), whose sum is σ = 81211872. Its totient is φ = 54141240.

The previous prime is 67676551. The next prime is 67676563. The reversal of 67676555 is 55567676.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 67676555 - 2² = 67676551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67676551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6767651 + ... + 6767660.

It is an arithmetic number, because the mean of its divisors is an integer number (20302968).

Almost surely, 2^67676555 is an apocalyptic number.

67676555 is a deficient number, since it is larger than the sum of its proper divisors (13535317).

67676555 is a wasteful number, since it uses less digits than its factorization.

67676555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535316.

The product of its digits is 1323000, while the sum is 47.

The square root of 67676555 is about 8226.5761407769. The cubic root of 67676555 is about 407.5173289832.

The spelling of 67676555 in words is "sixty-seven million, six hundred seventy-six thousand, five hundred fifty-five".