74210424340 has 96 divisors (see below), whose sum is σ = 170218944000. Its totient is φ = 27011791872.

The previous prime is 74210424307. The next prime is 74210424341. The reversal of 74210424340 is 4342401247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74210424341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15176616 + ... + 15181504.

It is an arithmetic number, because the mean of its divisors is an integer number (1773114000).

Almost surely, 2^74210424340 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 74210424340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85109472000).

74210424340 is an abundant number, since it is smaller than the sum of its proper divisors (96008519660).

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

74210424340 is a wasteful number, since it uses less digits than its factorization.

74210424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729 (or 5727 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 74210424340 its reverse (4342401247), we get a palindrome (78552825587).

The spelling of 74210424340 in words is "seventy-four billion, two hundred ten million, four hundred twenty-four thousand, three hundred forty".