74138780973012 has 48 divisors (see below), whose sum is σ = 201738179529600. Its totient is φ = 21182508848256.

The previous prime is 74138780973011. The next prime is 74138780973137. The reversal of 74138780973012 is 21037908783147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74138780973011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9006164613 + ... + 9006172844.

It is an arithmetic number, because the mean of its divisors is an integer number (4202878740200).

Almost surely, 2^{74138780973012} is an apocalyptic number.

It is an amenable number.

74138780973012 is an abundant number, since it is smaller than the sum of its proper divisors (127599398556588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74138780973012 is a wasteful number, since it uses less digits than its factorization.

74138780973012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18012337485 (or 18012337469 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 60.

The spelling of 74138780973012 in words is "seventy-four trillion, one hundred thirty-eight billion, seven hundred eighty million, nine hundred seventy-three thousand, twelve".