74749094747 has 12 divisors (see below), whose sum is σ = 75890226048. Its totient is φ = 73617894000.

The previous prime is 74749094683. The next prime is 74749094759.

74749094747 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74749094747 - 2⁶ = 74749094683 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74749094747.

It is not an unprimeable number, because it can be changed into a prime (74749094447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3674438 + ... + 3694724.

It is an arithmetic number, because the mean of its divisors is an integer number (6324185504).

Almost surely, 2^74749094747 is an apocalyptic number.

74749094747 is a deficient number, since it is larger than the sum of its proper divisors (1141131301).

74749094747 is a wasteful number, since it uses less digits than its factorization.

74749094747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20770 (or 20579 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 62.

The spelling of 74749094747 in words is "seventy-four billion, seven hundred forty-nine million, ninety-four thousand, seven hundred forty-seven".