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74817053 is a prime number
BaseRepresentation
bin1000111010110…
…01111000011101
312012210002200222
410131121320131
5123123121203
611231331125
71565635343
oct435317035
9165702628
1074817053
1139261183
1221080aa5
131266725c
149d17993
15687d038
hex4759e1d

74817053 has 2 divisors, whose sum is σ = 74817054. Its totient is φ = 74817052.

The previous prime is 74817023. The next prime is 74817077. The reversal of 74817053 is 35071847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73994404 + 822649 = 8602^2 + 907^2 .

It is an emirp because it is prime and its reverse (35071847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74817053 - 222 = 70622749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74817023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37408526 + 37408527.

It is an arithmetic number, because the mean of its divisors is an integer number (37408527).

Almost surely, 274817053 is an apocalyptic number.

It is an amenable number.

74817053 is a deficient number, since it is larger than the sum of its proper divisors (1).

74817053 is an equidigital number, since it uses as much as digits as its factorization.

74817053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 74817053 is about 8649.6851387782. The cubic root of 74817053 is about 421.3731568510.

The spelling of 74817053 in words is "seventy-four million, eight hundred seventeen thousand, fifty-three".