74246664247 has 8 divisors (see below), whose sum is σ = 85927424000. Its totient is φ = 62834427864.

The previous prime is 74246664241. The next prime is 74246664259.

74246664247 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 74246664247 - 2¹⁵ = 74246631479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74246664194 and 74246664203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74246664241) 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, 67130247 + ... + 67131352.

It is an arithmetic number, because the mean of its divisors is an integer number (10740928000).

Almost surely, 2^74246664247 is an apocalyptic number.

74246664247 is a deficient number, since it is larger than the sum of its proper divisors (11680759753).

74246664247 is a wasteful number, since it uses less digits than its factorization.

74246664247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134261685.

The product of its digits is 10838016, while the sum is 52.

The spelling of 74246664247 in words is "seventy-four billion, two hundred forty-six million, six hundred sixty-four thousand, two hundred forty-seven".