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74125 = 53593
BaseRepresentation
bin10010000110001101
310202200101
4102012031
54333000
61331101
7426052
oct220615
9122611
1074125
1150767
1236a91
132797c
141d029
1516e6a
hex1218d

74125 has 8 divisors (see below), whose sum is σ = 92664. Its totient is φ = 59200.

The previous prime is 74101. The next prime is 74131. The reversal of 74125 is 52147.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 72361 = 42^2 + 269^2 .

It is not a de Polignac number, because 74125 - 25 = 74093 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a congruent number.

It is an unprimeable 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, 172 + ... + 421.

It is an arithmetic number, because the mean of its divisors is an integer number (11583).

274125 is an apocalyptic number.

It is an amenable number.

74125 is a deficient number, since it is larger than the sum of its proper divisors (18539).

74125 is an equidigital number, since it uses as much as digits as its factorization.

74125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 598 counting only the distinct ones).

The product of its digits is 280, while the sum is 19.

The square root of 74125 is about 272.2590678012. The cubic root of 74125 is about 42.0069905220.

The spelling of 74125 in words is "seventy-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 593 2965 14825 74125