74674668134 has 16 divisors (see below), whose sum is σ = 123381273600. Its totient is φ = 33613485960.

The previous prime is 74674668121. The next prime is 74674668161. The reversal of 74674668134 is 43186647647.

It is a self number, because there is not a number n which added to its sum of digits gives 74674668134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16474934 + ... + 16479465.

It is an arithmetic number, because the mean of its divisors is an integer number (7711329600).

Almost surely, 2^74674668134 is an apocalyptic number.

74674668134 is a deficient number, since it is larger than the sum of its proper divisors (48706605466).

74674668134 is a wasteful number, since it uses less digits than its factorization.

74674668134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32954515.

The product of its digits is 16257024, while the sum is 56.

The spelling of 74674668134 in words is "seventy-four billion, six hundred seventy-four million, six hundred sixty-eight thousand, one hundred thirty-four".