Base | Representation |
---|---|
bin | 1000111010000… |
… | …01101000011101 |
3 | 12012121001110011 |
4 | 10131001220131 |
5 | 123111431400 |
6 | 11225243221 |
7 | 1565042635 |
oct | 435015035 |
9 | 165531404 |
10 | 74717725 |
11 | 391a3595 |
12 | 21033511 |
13 | 12630c94 |
14 | 9ccd6c5 |
15 | 685d8ba |
hex | 4741a1d |
74717725 has 12 divisors (see below), whose sum is σ = 93693780. Its totient is φ = 59100800.
The previous prime is 74717723. The next prime is 74717743. The reversal of 74717725 is 52771747.
It can be written as a sum of positive squares in 6 ways, for example, as 28504921 + 46212804 = 5339^2 + 6798^2 .
It is not a de Polignac number, because 74717725 - 21 = 74717723 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74717723) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14566 + ... + 19015.
It is an arithmetic number, because the mean of its divisors is an integer number (7807815).
Almost surely, 274717725 is an apocalyptic number.
It is an amenable number.
74717725 is a deficient number, since it is larger than the sum of its proper divisors (18976055).
74717725 is a wasteful number, since it uses less digits than its factorization.
74717725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33680 (or 33675 counting only the distinct ones).
The product of its digits is 96040, while the sum is 40.
The square root of 74717725 is about 8643.9415199317. The cubic root of 74717725 is about 421.1866009481.
The spelling of 74717725 in words is "seventy-four million, seven hundred seventeen thousand, seven hundred twenty-five".
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