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74450 = 2521489
BaseRepresentation
bin10010001011010010
310210010102
4102023102
54340300
61332402
7430025
oct221322
9123112
1074450
1150a32
1237102
1327b6c
141d1bc
15170d5
hex122d2

74450 has 12 divisors (see below), whose sum is σ = 138570. Its totient is φ = 29760.

The previous prime is 74449. The next prime is 74453. The reversal of 74450 is 5447.

It can be written as a sum of positive squares in 3 ways, for example, as 44521 + 29929 = 211^2 + 173^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74450.

It is not an unprimeable number, because it can be changed into a prime (74453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695 + ... + 794.

274450 is an apocalyptic number.

74450 is a deficient number, since it is larger than the sum of its proper divisors (64120).

74450 is a wasteful number, since it uses less digits than its factorization.

74450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1496 counting only the distinct ones).

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

The square root of 74450 is about 272.8552729928. The cubic root of 74450 is about 42.0682940302.

Adding to 74450 its reverse (5447), we get a palindrome (79897).

The spelling of 74450 in words is "seventy-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1489 2978 7445 14890 37225 74450