74458401216 has 56 divisors (see below), whose sum is σ = 205569945984. Its totient is φ = 23740358400.

The previous prime is 74458401139. The next prime is 74458401217. The reversal of 74458401216 is 61210485447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74458401217) 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, 8426110 + ... + 8434941.

Almost surely, 2^74458401216 is an apocalyptic number.

It is an amenable number.

74458401216 is an abundant number, since it is smaller than the sum of its proper divisors (131111544768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74458401216 is a wasteful number, since it uses less digits than its factorization.

74458401216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861089 (or 16861079 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 74458401216 in words is "seventy-four billion, four hundred fifty-eight million, four hundred one thousand, two hundred sixteen".