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74064 = 2431543
BaseRepresentation
bin10010000101010000
310202121010
4102011100
54332224
61330520
7425634
oct220520
9122533
1074064
1150711
1236a40
1327933
141cdc4
1516e29
hex12150

74064 has 20 divisors (see below), whose sum is σ = 191456. Its totient is φ = 24672.

The previous prime is 74051. The next prime is 74071. The reversal of 74064 is 46047.

It is a self number, because there is not a number n which added to its sum of digits gives 74064.

It is a congruent number.

It is an unprimeable number.

74064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724 + ... + 819.

274064 is an apocalyptic number.

It is an amenable number.

74064 is an abundant number, since it is smaller than the sum of its proper divisors (117392).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95728).

74064 is a wasteful number, since it uses less digits than its factorization.

74064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 74064 is about 272.1470190908. The cubic root of 74064 is about 41.9954643628.

The spelling of 74064 in words is "seventy-four thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1543 3086 4629 6172 9258 12344 18516 24688 37032 74064