74949294947 has 8 divisors (see below), whose sum is σ = 76230225600. Its totient is φ = 73668717864.

The previous prime is 74949294907. The next prime is 74949294949.

It is a happy number.

74949294947 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 74949294947 - 2¹² = 74949290851 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74949294949) 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, 358304 + ... + 527522.

It is an arithmetic number, because the mean of its divisors is an integer number (9528778200).

Almost surely, 2^74949294947 is an apocalyptic number.

74949294947 is a deficient number, since it is larger than the sum of its proper divisors (1280930653).

74949294947 is a wasteful number, since it uses less digits than its factorization.

74949294947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176785.

The product of its digits is 164602368, while the sum is 68.

The spelling of 74949294947 in words is "seventy-four billion, nine hundred forty-nine million, two hundred ninety-four thousand, nine hundred forty-seven".