74947874947 has 8 divisors (see below), whose sum is σ = 82511423280. Its totient is φ = 67509344160.

The previous prime is 74947874929. The next prime is 74947874999.

74947874947 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 74947874947 - 2³¹ = 72800391299 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (74947874927) 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, 31253128 + ... + 31255525.

It is an arithmetic number, because the mean of its divisors is an integer number (10313927910).

Almost surely, 2^74947874947 is an apocalyptic number.

74947874947 is a deficient number, since it is larger than the sum of its proper divisors (7563548333).

74947874947 is a wasteful number, since it uses less digits than its factorization.

74947874947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62508773.

The product of its digits is 398297088, while the sum is 70.

The spelling of 74947874947 in words is "seventy-four billion, nine hundred forty-seven million, eight hundred seventy-four thousand, nine hundred forty-seven".