74374447347 has 32 divisors (see below), whose sum is σ = 116684789760. Its totient is φ = 46658724480.

The previous prime is 74374447337. The next prime is 74374447361.

74374447347 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74374447347 - 2⁴ = 74374447331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74374447293 and 74374447302.

It is not an unprimeable number, because it can be changed into a prime (74374447307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4463722 + ... + 4480352.

It is an arithmetic number, because the mean of its divisors is an integer number (3646399680).

Almost surely, 2^74374447347 is an apocalyptic number.

74374447347 is a deficient number, since it is larger than the sum of its proper divisors (42310342413).

74374447347 is a wasteful number, since it uses less digits than its factorization.

74374447347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26400 (or 26394 counting only the distinct ones).

The product of its digits is 22127616, while the sum is 54.

The spelling of 74374447347 in words is "seventy-four billion, three hundred seventy-four million, four hundred forty-seven thousand, three hundred forty-seven".