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74020741 is a prime number
BaseRepresentation
bin1000110100101…
…11011110000101
312011021122100221
410122113132011
5122422130431
611202304341
71556110624
oct432273605
9164248327
1074020741
1138867973
12209580b1
1312448972
149b8b6bb
156772111
hex4697785

74020741 has 2 divisors, whose sum is σ = 74020742. Its totient is φ = 74020740.

The previous prime is 74020691. The next prime is 74020753. The reversal of 74020741 is 14702047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 1276900 = 8529^2 + 1130^2 .

It is an emirp because it is prime and its reverse (14702047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74020741 - 215 = 73987973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74021741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37010370 + 37010371.

It is an arithmetic number, because the mean of its divisors is an integer number (37010371).

Almost surely, 274020741 is an apocalyptic number.

It is an amenable number.

74020741 is a deficient number, since it is larger than the sum of its proper divisors (1).

74020741 is an equidigital number, since it uses as much as digits as its factorization.

74020741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 74020741 is about 8603.5307287183. The cubic root of 74020741 is about 419.8728659043.

Adding to 74020741 its reverse (14702047), we get a palindrome (88722788).

The spelling of 74020741 in words is "seventy-four million, twenty thousand, seven hundred forty-one".