74432474250 has 64 divisors (see below), whose sum is σ = 186445134720. Its totient is φ = 19777968000.

The previous prime is 74432474227. The next prime is 74432474251. The reversal of 74432474250 is 5247423447.

It is not an unprimeable number, because it can be changed into a prime (74432474251) 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, 34161 + ... + 387339.

It is an arithmetic number, because the mean of its divisors is an integer number (2913205230).

Almost surely, 2^74432474250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74432474250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93222567360).

74432474250 is an abundant number, since it is smaller than the sum of its proper divisors (112012660470).

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

74432474250 is a wasteful number, since it uses less digits than its factorization.

74432474250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353480 (or 353470 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 42.

Adding to 74432474250 its reverse (5247423447), we get a palindrome (79679897697).

The spelling of 74432474250 in words is "seventy-four billion, four hundred thirty-two million, four hundred seventy-four thousand, two hundred fifty".