74303032420 has 12 divisors (see below), whose sum is σ = 156036368124. Its totient is φ = 29721212960.

The previous prime is 74303032417. The next prime is 74303032459. The reversal of 74303032420 is 2423030347.

It can be written as a sum of positive squares in 2 ways, for example, as 24424063524 + 49878968896 = 156282^2 + 223336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857575791 + ... + 1857575830.

It is an arithmetic number, because the mean of its divisors is an integer number (13003030677).

Almost surely, 2^74303032420 is an apocalyptic number.

It is an amenable number.

74303032420 is an abundant number, since it is smaller than the sum of its proper divisors (81733335704).

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

74303032420 is a wasteful number, since it uses less digits than its factorization.

74303032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715151630 (or 3715151628 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 28.

Adding to 74303032420 its reverse (2423030347), we get a palindrome (76726062767).

The spelling of 74303032420 in words is "seventy-four billion, three hundred three million, thirty-two thousand, four hundred twenty".