67680583774 has 4 divisors (see below), whose sum is σ = 101520875664. Its totient is φ = 33840291886.

The previous prime is 67680583703. The next prime is 67680583813. The reversal of 67680583774 is 47738508676.

It is a happy number.

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

It is a super-2 number, since 2×67680583774² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16920145942 + ... + 16920145945.

It is an arithmetic number, because the mean of its divisors is an integer number (25380218916).

Almost surely, 2^67680583774 is an apocalyptic number.

67680583774 is a deficient number, since it is larger than the sum of its proper divisors (33840291890).

67680583774 is a wasteful number, since it uses less digits than its factorization.

67680583774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33840291889.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 67680583774 in words is "sixty-seven billion, six hundred eighty million, five hundred eighty-three thousand, seven hundred seventy-four".