74964622646947 has 8 divisors (see below), whose sum is σ = 81836105006592. Its totient is φ = 68102559731400.

The previous prime is 74964622646941. The next prime is 74964622646951.

74964622646947 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 a de Polignac number, because none of the positive numbers 2^k-74964622646947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74964622646941) 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, 2354844379 + ... + 2354876212.

It is an arithmetic number, because the mean of its divisors is an integer number (10229513125824).

Almost surely, 2^{74964622646947} is an apocalyptic number.

74964622646947 is a deficient number, since it is larger than the sum of its proper divisors (6871482359645).

74964622646947 is a wasteful number, since it uses less digits than its factorization.

74964622646947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709722049.

The product of its digits is 5267275776, while the sum is 76.

The spelling of 74964622646947 in words is "seventy-four trillion, nine hundred sixty-four billion, six hundred twenty-two million, six hundred forty-six thousand, nine hundred forty-seven".