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74666682 = 23219321493
BaseRepresentation
bin1000111001101…
…01001010111010
312012111110102200
410130311022322
5123103313212
611224211030
71564441056
oct434651272
9165443380
1074666682
1139169202
1221009a76
131261398c
149cb8c66
15684d6dc
hex47352ba

74666682 has 24 divisors (see below), whose sum is σ = 162623604. Its totient is φ = 24758784.

The previous prime is 74666681. The next prime is 74666701. The reversal of 74666682 is 28666647.

It can be written as a sum of positive squares in 2 ways, for example, as 64496961 + 10169721 = 8031^2 + 3189^2 .

It is a super-2 number, since 2×746666822 = 11150226801778248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74666681) 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, 7273 + ... + 14220.

Almost surely, 274666682 is an apocalyptic number.

74666682 is an abundant number, since it is smaller than the sum of its proper divisors (87956922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74666682 is a wasteful number, since it uses less digits than its factorization.

74666682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694 (or 21691 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 74666682 is about 8640.9884851214. The cubic root of 74666682 is about 421.0906686684.

The spelling of 74666682 in words is "seventy-four million, six hundred sixty-six thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 193 386 579 1158 1737 3474 21493 42986 64479 128958 193437 386874 4148149 8296298 12444447 24888894 37333341 74666682