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74442227 is a prime number
BaseRepresentation
bin1000110111111…
…10010111110011
312012002001112112
410123332113303
5123024122402
611215315535
71562514506
oct433762763
9165061475
1074442227
1139025602
1220b1bbab
1312565772
149c5b13d
156806e52
hex46fe5f3

74442227 has 2 divisors, whose sum is σ = 74442228. Its totient is φ = 74442226.

The previous prime is 74442211. The next prime is 74442229. The reversal of 74442227 is 72224447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74442227 - 24 = 74442211 is a prime.

Together with 74442229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74442193 and 74442202.

It is not a weakly prime, because it can be changed into another prime (74442229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37221113 + 37221114.

It is an arithmetic number, because the mean of its divisors is an integer number (37221114).

Almost surely, 274442227 is an apocalyptic number.

74442227 is a deficient number, since it is larger than the sum of its proper divisors (1).

74442227 is an equidigital number, since it uses as much as digits as its factorization.

74442227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 32.

The square root of 74442227 is about 8627.9909017105. The cubic root of 74442227 is about 420.6682992355.

The spelling of 74442227 in words is "seventy-four million, four hundred forty-two thousand, two hundred twenty-seven".