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74118469 is a prime number
BaseRepresentation
bin1000110101011…
…11010101000101
312011110121102111
410122233111011
5122433242334
611204341021
71556665555
oct432572505
9164417374
1074118469
1138924337
12209a4771
13124812a9
149bb5165
156791064
hex46af545

74118469 has 2 divisors, whose sum is σ = 74118470. Its totient is φ = 74118468.

The previous prime is 74118467. The next prime is 74118479. The reversal of 74118469 is 96481147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 1221025 = 8538^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 74118469 - 21 = 74118467 is a prime.

It is a super-2 number, since 2×741184692 = 10987094893807922, which contains 22 as substring.

Together with 74118467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74118467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37059234 + 37059235.

It is an arithmetic number, because the mean of its divisors is an integer number (37059235).

Almost surely, 274118469 is an apocalyptic number.

It is an amenable number.

74118469 is a deficient number, since it is larger than the sum of its proper divisors (1).

74118469 is an equidigital number, since it uses as much as digits as its factorization.

74118469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 74118469 is about 8609.2083840502. The cubic root of 74118469 is about 420.0575676949.

The spelling of 74118469 in words is "seventy-four million, one hundred eighteen thousand, four hundred sixty-nine".