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74630 = 2517439
BaseRepresentation
bin10010001110000110
310210101002
4102032012
54342010
61333302
7430403
oct221606
9123332
1074630
1151086
1237232
1327c7a
141d2aa
15171a5
hex12386

74630 has 16 divisors (see below), whose sum is σ = 142560. Its totient is φ = 28032.

The previous prime is 74623. The next prime is 74653. The reversal of 74630 is 3647.

It is a congruent number.

It is an unprimeable number.

74630 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50 + ... + 389.

It is an arithmetic number, because the mean of its divisors is an integer number (8910).

274630 is an apocalyptic number.

74630 is a deficient number, since it is larger than the sum of its proper divisors (67930).

74630 is a wasteful number, since it uses less digits than its factorization.

74630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 74630 is about 273.1849190567. The cubic root of 74630 is about 42.1021700030.

The spelling of 74630 in words is "seventy-four thousand, six hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 439 878 2195 4390 7463 14926 37315 74630