74447874447 has 8 divisors (see below), whose sum is σ = 102465891840. Its totient is φ = 48030886680.

The previous prime is 74447874443. The next prime is 74447874451.

It is a happy number.

74447874447 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (74447874443) and next prime (74447874451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74447874447 - 2² = 74447874443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74447874443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400257297 + ... + 400257482.

It is an arithmetic number, because the mean of its divisors is an integer number (12808236480).

Almost surely, 2^74447874447 is an apocalyptic number.

74447874447 is a deficient number, since it is larger than the sum of its proper divisors (28018017393).

74447874447 is a wasteful number, since it uses less digits than its factorization.

74447874447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800514813.

The product of its digits is 78675968, while the sum is 60.

The spelling of 74447874447 in words is "seventy-four billion, four hundred forty-seven million, eight hundred seventy-four thousand, four hundred forty-seven".