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74444 = 2237503
BaseRepresentation
bin10010001011001100
310210010012
4102023030
54340234
61332352
7430016
oct221314
9123105
1074444
1150a27
12370b8
1327b66
141d1b6
15170ce
hex122cc

74444 has 12 divisors (see below), whose sum is σ = 134064. Its totient is φ = 36144.

The previous prime is 74441. The next prime is 74449. The reversal of 74444 is 44447.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74444.

It is not an unprimeable number, because it can be changed into a prime (74441) 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 3 ways as a sum of consecutive naturals, for example, 104 + ... + 399.

It is an arithmetic number, because the mean of its divisors is an integer number (11172).

274444 is an apocalyptic number.

74444 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

74444 is a deficient number, since it is larger than the sum of its proper divisors (59620).

74444 is a wasteful number, since it uses less digits than its factorization.

74444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 1792, while the sum is 23.

The square root of 74444 is about 272.8442779316. The cubic root of 74444 is about 42.0671638913.

The spelling of 74444 in words is "seventy-four thousand, four hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 37 74 148 503 1006 2012 18611 37222 74444