740847739 has 2 divisors, whose sum is σ = 740847740. Its totient is φ = 740847738.

The previous prime is 740847721. The next prime is 740847763. The reversal of 740847739 is 937748047.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740847739 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 740847692 and 740847701.

It is not a weakly prime, because it can be changed into another prime (740847439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370423869 + 370423870.

It is an arithmetic number, because the mean of its divisors is an integer number (370423870).

Almost surely, 2^740847739 is an apocalyptic number.

740847739 is a deficient number, since it is larger than the sum of its proper divisors (1).

740847739 is an equidigital number, since it uses as much as digits as its factorization.

740847739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 740847739 is about 27218.5183101505. The cubic root of 740847739 is about 904.8494357948.

The spelling of 740847739 in words is "seven hundred forty million, eight hundred forty-seven thousand, seven hundred thirty-nine".