74745744754747 has 8 divisors (see below), whose sum is σ = 81963303718320. Its totient is φ = 67598601000960.

The previous prime is 74745744754739. The next prime is 74745744754753.

It is a happy number.

74745744754747 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74745744754747 - 2³ = 74745744754739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74745744754727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17603800222 + ... + 17603804467.

It is an arithmetic number, because the mean of its divisors is an integer number (10245412964790).

Almost surely, 2^{74745744754747} is an apocalyptic number.

74745744754747 is a deficient number, since it is larger than the sum of its proper divisors (7217558963573).

74745744754747 is a wasteful number, since it uses less digits than its factorization.

74745744754747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35207604893.

The product of its digits is 12047257600, while the sum is 76.

The spelling of 74745744754747 in words is "seventy-four trillion, seven hundred forty-five billion, seven hundred forty-four million, seven hundred fifty-four thousand, seven hundred forty-seven".