67677374074 has 4 divisors (see below), whose sum is σ = 101516061114. Its totient is φ = 33838687036.

The previous prime is 67677374057. The next prime is 67677374117. The reversal of 67677374074 is 47047377676.

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

It can be written as a sum of positive squares in only one way, i.e., 39300287049 + 28377087025 = 198243^2 + 168455^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16919343517 + ... + 16919343520.

Almost surely, 2^67677374074 is an apocalyptic number.

67677374074 is a deficient number, since it is larger than the sum of its proper divisors (33838687040).

67677374074 is a wasteful number, since it uses less digits than its factorization.

67677374074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33838687039.

The product of its (nonzero) digits is 29042496, while the sum is 58.

The spelling of 67677374074 in words is "sixty-seven billion, six hundred seventy-seven million, three hundred seventy-four thousand, seventy-four".