74196669147 has 4 divisors (see below), whose sum is σ = 98928892200. Its totient is φ = 49464446096.

The previous prime is 74196669143. The next prime is 74196669149.

74196669147 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 74196669147 - 2² = 74196669143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74196669143) 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, 12366111522 + ... + 12366111527.

It is an arithmetic number, because the mean of its divisors is an integer number (24732223050).

Almost surely, 2^74196669147 is an apocalyptic number.

74196669147 is a deficient number, since it is larger than the sum of its proper divisors (24732223053).

74196669147 is a wasteful number, since it uses less digits than its factorization.

74196669147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24732223052.

The product of its digits is 13716864, while the sum is 60.

The spelling of 74196669147 in words is "seventy-four billion, one hundred ninety-six million, six hundred sixty-nine thousand, one hundred forty-seven".