Search a number
-
+
1740665741 is a prime number
BaseRepresentation
bin110011111000000…
…0111001110001101
311111022100222111112
41213300013032031
512031102300431
6444420301405
761064262143
oct14760071615
94438328445
101740665741
11813618a31
12406b41865
13219817139
1412726d593
15a2c37c2b
hex67c0738d

1740665741 has 2 divisors, whose sum is σ = 1740665742. Its totient is φ = 1740665740.

The previous prime is 1740665723. The next prime is 1740665743. The reversal of 1740665741 is 1475660471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1325688100 + 414977641 = 36410^2 + 20371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1740665741 - 218 = 1740403597 is a prime.

Together with 1740665743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1740665743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870332870 + 870332871.

It is an arithmetic number, because the mean of its divisors is an integer number (870332871).

Almost surely, 21740665741 is an apocalyptic number.

It is an amenable number.

1740665741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1740665741 is an equidigital number, since it uses as much as digits as its factorization.

1740665741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1740665741 is about 41721.2864255167. The cubic root of 1740665741 is about 1202.9247502294.

The spelling of 1740665741 in words is "one billion, seven hundred forty million, six hundred sixty-five thousand, seven hundred forty-one".