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73342681 is a prime number
BaseRepresentation
bin1000101111100…
…01111011011001
312010000012020121
410113301323121
5122233431211
611135553241
71550255026
oct427617331
9163005217
1073342681
1138444495
122068b821
131226c149
149a5254d
15668b271
hex45f1ed9

73342681 has 2 divisors, whose sum is σ = 73342682. Its totient is φ = 73342680.

The previous prime is 73342669. The next prime is 73342691. The reversal of 73342681 is 18624337.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 22705225 = 7116^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 73342681 - 27 = 73342553 is a prime.

It is a super-2 number, since 2×733426812 = 10758297712535522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73342601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36671340 + 36671341.

It is an arithmetic number, because the mean of its divisors is an integer number (36671341).

Almost surely, 273342681 is an apocalyptic number.

It is an amenable number.

73342681 is a deficient number, since it is larger than the sum of its proper divisors (1).

73342681 is an equidigital number, since it uses as much as digits as its factorization.

73342681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 73342681 is about 8564.0341545325. The cubic root of 73342681 is about 418.5868625388.

The spelling of 73342681 in words is "seventy-three million, three hundred forty-two thousand, six hundred eighty-one".