740434727 has 2 divisors, whose sum is σ = 740434728. Its totient is φ = 740434726.

The previous prime is 740434697. The next prime is 740434771. The reversal of 740434727 is 727434047.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (727434047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740434727 - 2¹⁰ = 740433703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740434777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370217363 + 370217364.

It is an arithmetic number, because the mean of its divisors is an integer number (370217364).

Almost surely, 2^740434727 is an apocalyptic number.

740434727 is a deficient number, since it is larger than the sum of its proper divisors (1).

740434727 is an equidigital number, since it uses as much as digits as its factorization.

740434727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 740434727 is about 27210.9302854570. The cubic root of 740434727 is about 904.6812576732.

The spelling of 740434727 in words is "seven hundred forty million, four hundred thirty-four thousand, seven hundred twenty-seven".