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74225 = 522969
BaseRepresentation
bin10010000111110001
310202211002
4102013301
54333400
61331345
7426254
oct220761
9122732
1074225
1150848
1236b55
1327a28
141d09b
1516ed5
hex121f1

74225 has 6 divisors (see below), whose sum is σ = 92070. Its totient is φ = 59360.

The previous prime is 74219. The next prime is 74231. The reversal of 74225 is 52247.

It is an interprime number because it is at equal distance from previous prime (74219) and next prime (74231).

It can be written as a sum of positive squares in 3 ways, for example, as 784 + 73441 = 28^2 + 271^2 .

It is not a de Polignac number, because 74225 - 24 = 74209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74197 and 74206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1460 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (15345).

274225 is an apocalyptic number.

It is an amenable number.

74225 is a deficient number, since it is larger than the sum of its proper divisors (17845).

74225 is a wasteful number, since it uses less digits than its factorization.

74225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2974 counting only the distinct ones).

The product of its digits is 560, while the sum is 20.

The square root of 74225 is about 272.4426545165. The cubic root of 74225 is about 42.0258721924.

It can be divided in two parts, 742 and 25, that added together give a palindrome (767).

The spelling of 74225 in words is "seventy-four thousand, two hundred twenty-five".

Divisors: 1 5 25 2969 14845 74225