74412421447 has 64 divisors (see below), whose sum is σ = 96098365440. Its totient is φ = 56062347264.

The previous prime is 74412421441. The next prime is 74412421459.

It is a happy number.

74412421447 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74412421447 - 2³ = 74412421439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74412421441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25421298 + ... + 25424224.

It is an arithmetic number, because the mean of its divisors is an integer number (1501536960).

Almost surely, 2^74412421447 is an apocalyptic number.

74412421447 is a deficient number, since it is larger than the sum of its proper divisors (21685943993).

74412421447 is a wasteful number, since it uses less digits than its factorization.

74412421447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 200704, while the sum is 40.

The spelling of 74412421447 in words is "seventy-four billion, four hundred twelve million, four hundred twenty-one thousand, four hundred forty-seven".