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74401073 is a prime number
BaseRepresentation
bin1000110111101…
…00010100110001
312011222222002022
410123310110301
5123021313243
611214401225
71562253515
oct433642461
9164888068
1074401073
1138aa769a
1220b00215
131254cb06
149c4a145
1567e9b68
hex46f4531

74401073 has 2 divisors, whose sum is σ = 74401074. Its totient is φ = 74401072.

The previous prime is 74401031. The next prime is 74401081. The reversal of 74401073 is 37010447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74356129 + 44944 = 8623^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 74401073 - 210 = 74400049 is a prime.

It is equal to p4361291 and since 74401073 and 4361291 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (74401003) 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, 37200536 + 37200537.

It is an arithmetic number, because the mean of its divisors is an integer number (37200537).

Almost surely, 274401073 is an apocalyptic number.

It is an amenable number.

74401073 is a deficient number, since it is larger than the sum of its proper divisors (1).

74401073 is an equidigital number, since it uses as much as digits as its factorization.

74401073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 74401073 is about 8625.6056598943. The cubic root of 74401073 is about 420.5907653989.

The spelling of 74401073 in words is "seventy-four million, four hundred one thousand, seventy-three".