74302322028 has 48 divisors (see below), whose sum is σ = 190265773824. Its totient is φ = 22381023040.

The previous prime is 74302322023. The next prime is 74302322057. The reversal of 74302322028 is 82022320347.

It is a super-2 number, since 2×74302322028² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 74302322028.

It is not an unprimeable number, because it can be changed into a prime (74302322023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663275 + ... + 1707362.

It is an arithmetic number, because the mean of its divisors is an integer number (3963870288).

Almost surely, 2^74302322028 is an apocalyptic number.

It is an amenable number.

74302322028 is an abundant number, since it is smaller than the sum of its proper divisors (115963451796).

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

74302322028 is a wasteful number, since it uses less digits than its factorization.

74302322028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370822 (or 3370820 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 74302322028 in words is "seventy-four billion, three hundred two million, three hundred twenty-two thousand, twenty-eight".