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74080009 = 359206351
BaseRepresentation
bin1000110101001…
…01111100001001
312011101122200001
410122211330021
5122431030014
611203443001
71556445463
oct432457411
9164348601
1074080009
11388a8453
1220986461
1312469933
149ba5133
156784974
hex46a5f09

74080009 has 4 divisors (see below), whose sum is σ = 74286720. Its totient is φ = 73873300.

The previous prime is 74080003. The next prime is 74080057. The reversal of 74080009 is 90008047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90008047 = 175294591.

It is a cyclic number.

It is not a de Polignac number, because 74080009 - 23 = 74080001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74080001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102817 + ... + 103534.

It is an arithmetic number, because the mean of its divisors is an integer number (18571680).

Almost surely, 274080009 is an apocalyptic number.

It is an amenable number.

74080009 is a deficient number, since it is larger than the sum of its proper divisors (206711).

74080009 is a wasteful number, since it uses less digits than its factorization.

74080009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206710.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 74080009 is about 8606.9744393718. The cubic root of 74080009 is about 419.9848993059.

The spelling of 74080009 in words is "seventy-four million, eighty thousand, nine".

Divisors: 1 359 206351 74080009