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74683069 is a prime number
BaseRepresentation
bin1000111001110…
…01001010111101
312012112021220121
410130321022331
5123104324234
611224414541
71564536616
oct434711275
9165467817
1074683069
113917a54a
1221017451
131261b286
149cc0c0d
1568534b4
hex47392bd

74683069 has 2 divisors, whose sum is σ = 74683070. Its totient is φ = 74683068.

The previous prime is 74683067. The next prime is 74683073. The reversal of 74683069 is 96038647.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41447844 + 33235225 = 6438^2 + 5765^2 .

It is a cyclic number.

It is not a de Polignac number, because 74683069 - 21 = 74683067 is a prime.

It is a super-2 number, since 2×746830692 = 11155121590517522, which contains 22 as substring.

Together with 74683067, 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 (74683067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37341534 + 37341535.

It is an arithmetic number, because the mean of its divisors is an integer number (37341535).

Almost surely, 274683069 is an apocalyptic number.

It is an amenable number.

74683069 is a deficient number, since it is larger than the sum of its proper divisors (1).

74683069 is an equidigital number, since it uses as much as digits as its factorization.

74683069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 74683069 is about 8641.9366463774. The cubic root of 74683069 is about 421.1214718230.

The spelling of 74683069 in words is "seventy-four million, six hundred eighty-three thousand, sixty-nine".