74211643734137 has 24 divisors (see below), whose sum is σ = 93713532278400. Its totient is φ = 58716904886640.

The previous prime is 74211643734119. The next prime is 74211643734187. The reversal of 74211643734137 is 73143734611247.

It is not a de Polignac number, because 74211643734137 - 2⁸ = 74211643733881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74211643734187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640061789 + ... + 640177722.

It is an arithmetic number, because the mean of its divisors is an integer number (3904730511600).

Almost surely, 2^{74211643734137} is an apocalyptic number.

It is an amenable number.

74211643734137 is a deficient number, since it is larger than the sum of its proper divisors (19501888544263).

74211643734137 is a wasteful number, since it uses less digits than its factorization.

74211643734137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280239558 (or 1280239531 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 53.

The spelling of 74211643734137 in words is "seventy-four trillion, two hundred eleven billion, six hundred forty-three million, seven hundred thirty-four thousand, one hundred thirty-seven".