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74730043 is a prime number
BaseRepresentation
bin1000111010001…
…00101000111011
312012121200100101
410131010220323
5123112330133
611225420231
71565123563
oct435045073
9165550311
1074730043
1139201873
122103a677
131263677b
149cd3da3
15686237d
hex4744a3b

74730043 has 2 divisors, whose sum is σ = 74730044. Its totient is φ = 74730042.

The previous prime is 74730041. The next prime is 74730067. The reversal of 74730043 is 34003747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74730043 - 21 = 74730041 is a prime.

Together with 74730041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 74729993 and 74730020.

It is not a weakly prime, because it can be changed into another prime (74730041) 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 as a sum of consecutive naturals, namely, 37365021 + 37365022.

It is an arithmetic number, because the mean of its divisors is an integer number (37365022).

Almost surely, 274730043 is an apocalyptic number.

74730043 is a deficient number, since it is larger than the sum of its proper divisors (1).

74730043 is an equidigital number, since it uses as much as digits as its factorization.

74730043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 74730043 is about 8644.6540127411. The cubic root of 74730043 is about 421.2097453514.

The spelling of 74730043 in words is "seventy-four million, seven hundred thirty thousand, forty-three".