74374454247 has 16 divisors (see below), whose sum is σ = 100741865952. Its totient is φ = 48800655360.

The previous prime is 74374454197. The next prime is 74374454257. The reversal of 74374454247 is 74245447347.

It is not a de Polignac number, because 74374454247 - 2¹² = 74374450151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74374454247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74374454257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653358 + ... + 758699.

It is an arithmetic number, because the mean of its divisors is an integer number (6296366622).

Almost surely, 2^74374454247 is an apocalyptic number.

74374454247 is a deficient number, since it is larger than the sum of its proper divisors (26367411705).

74374454247 is a wasteful number, since it uses less digits than its factorization.

74374454247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412338.

The product of its digits is 10536960, while the sum is 51.

The spelling of 74374454247 in words is "seventy-four billion, three hundred seventy-four million, four hundred fifty-four thousand, two hundred forty-seven".