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74195047 is a prime number
BaseRepresentation
bin1000110110000…
…10000001100111
312011121111110201
410123002001213
5122443220142
611210131331
71560435043
oct433020147
9164544421
1074195047
1138976923
1220a20b47
13124aa0c4
149bd5023
1567a8ab7
hex46c2067

74195047 has 2 divisors, whose sum is σ = 74195048. Its totient is φ = 74195046.

The previous prime is 74195041. The next prime is 74195053. The reversal of 74195047 is 74059147.

It is a balanced prime because it is at equal distance from previous prime (74195041) and next prime (74195053).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74195047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74194997 and 74195015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74195041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37097523 + 37097524.

It is an arithmetic number, because the mean of its divisors is an integer number (37097524).

Almost surely, 274195047 is an apocalyptic number.

74195047 is a deficient number, since it is larger than the sum of its proper divisors (1).

74195047 is an equidigital number, since it uses as much as digits as its factorization.

74195047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 74195047 is about 8613.6546831180. The cubic root of 74195047 is about 420.2021834567.

The spelling of 74195047 in words is "seventy-four million, one hundred ninety-five thousand, forty-seven".