74345254347 has 32 divisors (see below), whose sum is σ = 122580774400. Its totient is φ = 39029195520.

The previous prime is 74345254343. The next prime is 74345254391.

74345254347 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74345254347 - 2² = 74345254343 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 74345254296 and 74345254305.

It is not an unprimeable number, because it can be changed into a prime (74345254343) 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 31 ways as a sum of consecutive naturals, for example, 587722 + ... + 702927.

It is an arithmetic number, because the mean of its divisors is an integer number (3830649200).

Almost surely, 2^74345254347 is an apocalyptic number.

74345254347 is a deficient number, since it is larger than the sum of its proper divisors (48235520053).

74345254347 is a wasteful number, since it uses less digits than its factorization.

74345254347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290883.

The product of its digits is 5644800, while the sum is 48.

The spelling of 74345254347 in words is "seventy-four billion, three hundred forty-five million, two hundred fifty-four thousand, three hundred forty-seven".