74394649347 has 16 divisors (see below), whose sum is σ = 100819250688. Its totient is φ = 48789619200.

The previous prime is 74394649309. The next prime is 74394649421.

74394649347 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74394649347 - 2¹⁵ = 74394616579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74394648347) 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, 750558 + ... + 843875.

It is an arithmetic number, because the mean of its divisors is an integer number (6301203168).

Almost surely, 2^74394649347 is an apocalyptic number.

74394649347 is a deficient number, since it is larger than the sum of its proper divisors (26424601341).

74394649347 is a wasteful number, since it uses less digits than its factorization.

74394649347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594690.

The product of its digits is 54867456, while the sum is 60.

The spelling of 74394649347 in words is "seventy-four billion, three hundred ninety-four million, six hundred forty-nine thousand, three hundred forty-seven".