1745734979 has 2 divisors, whose sum is σ = 1745734980. Its totient is φ = 1745734978.

The previous prime is 1745734919. The next prime is 1745735021. The reversal of 1745734979 is 9794375471.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1745734979 - 2²⁰ = 1744686403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1745734909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872867489 + 872867490.

It is an arithmetic number, because the mean of its divisors is an integer number (872867490).

Almost surely, 2^1745734979 is an apocalyptic number.

1745734979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745734979 is an equidigital number, since it uses as much as digits as its factorization.

1745734979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6667920, while the sum is 56.

The square root of 1745734979 is about 41781.9934780522. The cubic root of 1745734979 is about 1204.0913540448.

The spelling of 1745734979 in words is "one billion, seven hundred forty-five million, seven hundred thirty-four thousand, nine hundred seventy-nine".