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74628 = 2233691
BaseRepresentation
bin10010001110000100
310210101000
4102032010
54342003
61333300
7430401
oct221604
9123330
1074628
1151084
1237230
1327c78
141d2a8
15171a3
hex12384

74628 has 24 divisors (see below), whose sum is σ = 193760. Its totient is φ = 24840.

The previous prime is 74623. The next prime is 74653. The reversal of 74628 is 82647.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (74623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238 + ... + 453.

274628 is an apocalyptic number.

It is an amenable number.

74628 is an abundant number, since it is smaller than the sum of its proper divisors (119132).

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 (96880).

74628 is a wasteful number, since it uses less digits than its factorization.

74628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 696 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 74628 is about 273.1812585080. The cubic root of 74628 is about 42.1017939028.

The spelling of 74628 in words is "seventy-four thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 691 1382 2073 2764 4146 6219 8292 12438 18657 24876 37314 74628