Base | Representation |
---|---|
bin | 1000111010011… |
… | …10011000110110 |
3 | 12012200201010022 |
4 | 10131032120312 |
5 | 123120114344 |
6 | 11230325142 |
7 | 1565351156 |
oct | 435163066 |
9 | 165621108 |
10 | 74769974 |
11 | 39229874 |
12 | 210597b2 |
13 | 1264b9b6 |
14 | 9d04766 |
15 | 686e0ee |
hex | 474e636 |
74769974 has 4 divisors (see below), whose sum is σ = 112154964. Its totient is φ = 37384986.
The previous prime is 74769973. The next prime is 74769979. The reversal of 74769974 is 47996747.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47996747 = 53 ⋅905599.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74769973) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18692492 + ... + 18692495.
It is an arithmetic number, because the mean of its divisors is an integer number (28038741).
Almost surely, 274769974 is an apocalyptic number.
74769974 is a deficient number, since it is larger than the sum of its proper divisors (37384990).
74769974 is a wasteful number, since it uses less digits than its factorization.
74769974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37384989.
The product of its digits is 2667168, while the sum is 53.
The square root of 74769974 is about 8646.9632819852. The cubic root of 74769974 is about 421.2847545928.
The spelling of 74769974 in words is "seventy-four million, seven hundred sixty-nine thousand, nine hundred seventy-four".
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