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74795213 is a prime number
BaseRepresentation
bin1000111010101…
…00100011001101
312012201222202002
410131110203031
5123121421323
611231042045
71565514563
oct435244315
9165658662
1074795213
1139246829
1221070325
131265a32c
149d0da33
156876828
hex47548cd

74795213 has 2 divisors, whose sum is σ = 74795214. Its totient is φ = 74795212.

The previous prime is 74795209. The next prime is 74795261. The reversal of 74795213 is 31259747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66373609 + 8421604 = 8147^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 74795213 - 22 = 74795209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74795813) 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, 37397606 + 37397607.

It is an arithmetic number, because the mean of its divisors is an integer number (37397607).

Almost surely, 274795213 is an apocalyptic number.

It is an amenable number.

74795213 is a deficient number, since it is larger than the sum of its proper divisors (1).

74795213 is an equidigital number, since it uses as much as digits as its factorization.

74795213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 74795213 is about 8648.4225729320. The cubic root of 74795213 is about 421.3321515588.

The spelling of 74795213 in words is "seventy-four million, seven hundred ninety-five thousand, two hundred thirteen".