74204275920 has 160 divisors (see below), whose sum is σ = 237692881920. Its totient is φ = 19130204160.

The previous prime is 74204275909. The next prime is 74204275931. The reversal of 74204275920 is 2957240247.

It is an interprime number because it is at equal distance from previous prime (74204275909) and next prime (74204275931).

It is a super-2 number, since 2×74204275920² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8306016 + ... + 8314944.

It is an arithmetic number, because the mean of its divisors is an integer number (1485580512).

Almost surely, 2^74204275920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74204275920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118846440960).

74204275920 is an abundant number, since it is smaller than the sum of its proper divisors (163488606000).

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

74204275920 is a wasteful number, since it uses less digits than its factorization.

74204275920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093 (or 10087 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 74204275920 in words is "seventy-four billion, two hundred four million, two hundred seventy-five thousand, nine hundred twenty".