74424281730 has 32 divisors (see below), whose sum is σ = 178667118144. Its totient is φ = 19841048256.

The previous prime is 74424281717. The next prime is 74424281741. The reversal of 74424281730 is 3718242447.

It is a super-2 number, since 2×74424281730² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227032 + ... + 447651.

It is an arithmetic number, because the mean of its divisors is an integer number (5583347442).

Almost surely, 2^74424281730 is an apocalyptic number.

74424281730 is an abundant number, since it is smaller than the sum of its proper divisors (104242836414).

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

74424281730 is a wasteful number, since it uses less digits than its factorization.

74424281730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678370.

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 74424281730 in words is "seventy-four billion, four hundred twenty-four million, two hundred eighty-one thousand, seven hundred thirty".