740040193 has 2 divisors, whose sum is σ = 740040194. Its totient is φ = 740040192.

The previous prime is 740040187. The next prime is 740040211. The reversal of 740040193 is 391040047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 642267649 + 97772544 = 25343^2 + 9888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740040193 is a prime.

It is not a weakly prime, because it can be changed into another prime (740050193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370020096 + 370020097.

It is an arithmetic number, because the mean of its divisors is an integer number (370020097).

Almost surely, 2^740040193 is an apocalyptic number.

It is an amenable number.

740040193 is a deficient number, since it is larger than the sum of its proper divisors (1).

740040193 is an equidigital number, since it uses as much as digits as its factorization.

740040193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 740040193 is about 27203.6797694724. The cubic root of 740040193 is about 904.5205453618.

The spelling of 740040193 in words is "seven hundred forty million, forty thousand, one hundred ninety-three".