74397079347 has 4 divisors (see below), whose sum is σ = 99196105800. Its totient is φ = 49598052896.

The previous prime is 74397079327. The next prime is 74397079357.

74397079347 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74397079347 - 2²⁰ = 74396030771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74397079327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12399513222 + ... + 12399513227.

It is an arithmetic number, because the mean of its divisors is an integer number (24799026450).

Almost surely, 2^74397079347 is an apocalyptic number.

74397079347 is a deficient number, since it is larger than the sum of its proper divisors (24799026453).

74397079347 is a wasteful number, since it uses less digits than its factorization.

74397079347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24799026452.

The product of its (nonzero) digits is 28005264, while the sum is 60.

The spelling of 74397079347 in words is "seventy-four billion, three hundred ninety-seven million, seventy-nine thousand, three hundred forty-seven".