Base | Representation |
---|---|
bin | 1000111001001… |
… | …10100111100000 |
3 | 12012101102122220 |
4 | 10130212213200 |
5 | 123044411242 |
6 | 11223031040 |
7 | 1564102221 |
oct | 434464740 |
9 | 165342586 |
10 | 74607072 |
11 | 39128441 |
12 | 20b9b480 |
13 | 125c27c7 |
14 | 9ca1248 |
15 | 683abec |
hex | 47269e0 |
74607072 has 48 divisors (see below), whose sum is σ = 206156160. Its totient is φ = 23559552.
The previous prime is 74607041. The next prime is 74607077. The reversal of 74607072 is 27070647.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74607077) 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, 18628 + ... + 22275.
It is an arithmetic number, because the mean of its divisors is an integer number (4294920).
Almost surely, 274607072 is an apocalyptic number.
It is an amenable number.
74607072 is an abundant number, since it is smaller than the sum of its proper divisors (131549088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74607072 is a wasteful number, since it uses less digits than its factorization.
74607072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40935 (or 40927 counting only the distinct ones).
The product of its (nonzero) digits is 16464, while the sum is 33.
The square root of 74607072 is about 8637.5385382642. The cubic root of 74607072 is about 420.9785798630.
The spelling of 74607072 in words is "seventy-four million, six hundred seven thousand, seventy-two".
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