Search a number
-
+
74881422 = 2367112329
BaseRepresentation
bin1000111011010…
…01100110001110
312012220101000000
410131221212032
5123132201142
611232545130
71566324120
oct435514616
9165811000
1074881422
11392a5580
12210b21a6
131268a645
149d33210
15689214c
hex476998e

74881422 has 224 divisors, whose sum is σ = 226644480. Its totient is φ = 17962560.

The previous prime is 74881403. The next prime is 74881439. The reversal of 74881422 is 22418847.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2582104 + ... + 2582132.

Almost surely, 274881422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74881422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113322240).

74881422 is an abundant number, since it is smaller than the sum of its proper divisors (151763058).

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

74881422 is a wasteful number, since it uses less digits than its factorization.

74881422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 75 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 74881422 is about 8653.4052256901. The cubic root of 74881422 is about 421.4939652889.

The spelling of 74881422 in words is "seventy-four million, eight hundred eighty-one thousand, four hundred twenty-two".