67672761 has 8 divisors (see below), whose sum is σ = 97171200. Its totient is φ = 41644752.

The previous prime is 67672757. The next prime is 67672763. The reversal of 67672761 is 16727676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67672761 - 2² = 67672757 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (67672763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 867561 + ... + 867638.

It is an arithmetic number, because the mean of its divisors is an integer number (12146400).

Almost surely, 2^67672761 is an apocalyptic number.

It is an amenable number.

67672761 is a deficient number, since it is larger than the sum of its proper divisors (29498439).

67672761 is a wasteful number, since it uses less digits than its factorization.

67672761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735215.

The product of its digits is 148176, while the sum is 42.

The square root of 67672761 is about 8226.3455434354. The cubic root of 67672761 is about 407.5097135953.

It can be divided in two parts, 676 and 72761, that added together give a palindrome (73437).

The spelling of 67672761 in words is "sixty-seven million, six hundred seventy-two thousand, seven hundred sixty-one".