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74042361 = 3217483937
BaseRepresentation
bin1000110100111…
…00101111111001
312011022202000200
410122130233321
5122423323421
611202552413
71556230641
oct432345771
9164282020
1074042361
1138882138
1220968709
1312455763
149b95521
156778726
hex469cbf9

74042361 has 12 divisors (see below), whose sum is σ = 113241492. Its totient is φ = 46457856.

The previous prime is 74042357. The next prime is 74042363. The reversal of 74042361 is 16324047.

It can be written as a sum of positive squares in 2 ways, for example, as 63680400 + 10361961 = 7980^2 + 3219^2 .

It is not a de Polignac number, because 74042361 - 22 = 74042357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74042363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241816 + ... + 242121.

It is an arithmetic number, because the mean of its divisors is an integer number (9436791).

Almost surely, 274042361 is an apocalyptic number.

It is an amenable number.

74042361 is a deficient number, since it is larger than the sum of its proper divisors (39199131).

74042361 is a wasteful number, since it uses less digits than its factorization.

74042361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483960 (or 483957 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 74042361 is about 8604.7870978892. The cubic root of 74042361 is about 419.9137407888.

The spelling of 74042361 in words is "seventy-four million, forty-two thousand, three hundred sixty-one".

Divisors: 1 3 9 17 51 153 483937 1451811 4355433 8226929 24680787 74042361