74964499446947 has 4 divisors (see below), whose sum is σ = 81779453942136. Its totient is φ = 68149544951760.

The previous prime is 74964499446931. The next prime is 74964499446971.

74964499446947 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74964499446947 - 2⁴ = 74964499446931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74964499446917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407477247578 + ... + 3407477247599.

It is an arithmetic number, because the mean of its divisors is an integer number (20444863485534).

Almost surely, 2^{74964499446947} is an apocalyptic number.

74964499446947 is a deficient number, since it is larger than the sum of its proper divisors (6814954495189).

74964499446947 is a wasteful number, since it uses less digits than its factorization.

74964499446947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814954495188.

The product of its digits is 47405481984, while the sum is 86.

The spelling of 74964499446947 in words is "seventy-four trillion, nine hundred sixty-four billion, four hundred ninety-nine million, four hundred forty-six thousand, nine hundred forty-seven".