74722050 has 144 divisors (see below), whose sum is σ = 221188968. Its totient is φ = 17971200.

The previous prime is 74721973. The next prime is 74722051. The reversal of 74722050 is 5022747.

It can be written as a sum of positive squares in 12 ways, for example, as 6610041 + 68112009 = 2571^2 + 8253^2 .

It is not an unprimeable number, because it can be changed into a prime (74722051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 309930 + ... + 310170.

Almost surely, 2^74722050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74722050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110594484).

74722050 is an abundant number, since it is smaller than the sum of its proper divisors (146466918).

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

74722050 is a wasteful number, since it uses less digits than its factorization.

74722050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 74722050 is about 8644.1916915348. The cubic root of 74722050 is about 421.1947275201.

Adding to 74722050 its reverse (5022747), we get a palindrome (79744797).

The spelling of 74722050 in words is "seventy-four million, seven hundred twenty-two thousand, fifty".