204074743 has 2 divisors, whose sum is σ = 204074744. Its totient is φ = 204074742.

The previous prime is 204074737. The next prime is 204074747. The reversal of 204074743 is 347470402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204074743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204074747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102037371 + 102037372.

It is an arithmetic number, because the mean of its divisors is an integer number (102037372).

Almost surely, 2^204074743 is an apocalyptic number.

204074743 is a deficient number, since it is larger than the sum of its proper divisors (1).

204074743 is an equidigital number, since it uses as much as digits as its factorization.

204074743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 204074743 is about 14285.4731458219. The cubic root of 204074743 is about 588.7484174359.

The spelling of 204074743 in words is "two hundred four million, seventy-four thousand, seven hundred forty-three".