18713741 has 2 divisors, whose sum is σ = 18713742. Its totient is φ = 18713740.

The previous prime is 18713711. The next prime is 18713759. The reversal of 18713741 is 14731781.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18576100 + 137641 = 4310^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 18713741 - 2¹⁰ = 18712717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18713698 and 18713707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18713701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9356870 + 9356871.

It is an arithmetic number, because the mean of its divisors is an integer number (9356871).

Almost surely, 2^18713741 is an apocalyptic number.

It is an amenable number.

18713741 is a deficient number, since it is larger than the sum of its proper divisors (1).

18713741 is an equidigital number, since it uses as much as digits as its factorization.

18713741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 32.

The square root of 18713741 is about 4325.9381641443. The cubic root of 18713741 is about 265.4932831801.

It can be divided in two parts, 1871 and 3741, that multiplied together give a triangular number (6999411 = T₃₇₄₁).

The spelling of 18713741 in words is "eighteen million, seven hundred thirteen thousand, seven hundred forty-one".