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74741057 is a prime number
BaseRepresentation
bin1000111010001…
…11010101000001
312012122020110022
410131013111001
5123113203212
611225543225
71565200646
oct435072501
9165566408
1074741057
113920a076
1221044b15
131263b7a1
149cd7dcd
156865772
hex4747541

74741057 has 2 divisors, whose sum is σ = 74741058. Its totient is φ = 74741056.

The previous prime is 74741021. The next prime is 74741059. The reversal of 74741057 is 75014747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51854401 + 22886656 = 7201^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 74741057 - 216 = 74675521 is a prime.

Together with 74741059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74741059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37370528 + 37370529.

It is an arithmetic number, because the mean of its divisors is an integer number (37370529).

Almost surely, 274741057 is an apocalyptic number.

It is an amenable number.

74741057 is a deficient number, since it is larger than the sum of its proper divisors (1).

74741057 is an equidigital number, since it uses as much as digits as its factorization.

74741057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 74741057 is about 8645.2910303818. The cubic root of 74741057 is about 421.2304375034.

The spelling of 74741057 in words is "seventy-four million, seven hundred forty-one thousand, fifty-seven".