74421212447 has 8 divisors (see below), whose sum is σ = 77679752544. Its totient is φ = 71164575328.

The previous prime is 74421212431. The next prime is 74421212479.

It is a happy number.

74421212447 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74421212447 - 2⁴ = 74421212431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74421212447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74421217447) 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, 395528 + ... + 552525.

It is an arithmetic number, because the mean of its divisors is an integer number (9709969068).

Almost surely, 2^74421212447 is an apocalyptic number.

74421212447 is a deficient number, since it is larger than the sum of its proper divisors (3258540097).

74421212447 is a wasteful number, since it uses less digits than its factorization.

74421212447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951489.

The product of its digits is 100352, while the sum is 38.

The spelling of 74421212447 in words is "seventy-four billion, four hundred twenty-one million, two hundred twelve thousand, four hundred forty-seven".