74471850 has 72 divisors (see below), whose sum is σ = 203436012. Its totient is φ = 19526400.

The previous prime is 74471809. The next prime is 74471857. The reversal of 74471850 is 5817447.

It can be written as a sum of positive squares in 6 ways, for example, as 29192409 + 45279441 = 5403^2 + 6729^2 .

It is not an unprimeable number, because it can be changed into a prime (74471857) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26094 + ... + 28806.

Almost surely, 2^74471850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74471850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101718006).

74471850 is an abundant number, since it is smaller than the sum of its proper divisors (128964162).

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

74471850 is a wasteful number, since it uses less digits than its factorization.

74471850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2784 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 74471850 is about 8629.7074110308. The cubic root of 74471850 is about 420.7240910666.

The spelling of 74471850 in words is "seventy-four million, four hundred seventy-one thousand, eight hundred fifty".