740013947 has 2 divisors, whose sum is σ = 740013948. Its totient is φ = 740013946.

The previous prime is 740013943. The next prime is 740013977. The reversal of 740013947 is 749310047.

It is a weak prime.

It is an emirp because it is prime and its reverse (749310047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740013947 - 2² = 740013943 is a prime.

It is a Chen prime.

740013947 is a modest number, since divided by 13947 gives 74 as remainder.

It is equal to p_38214674 and since 740013947 and 38214674 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (740013943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370006973 + 370006974.

It is an arithmetic number, because the mean of its divisors is an integer number (370006974).

Almost surely, 2^740013947 is an apocalyptic number.

740013947 is a deficient number, since it is larger than the sum of its proper divisors (1).

740013947 is an equidigital number, since it uses as much as digits as its factorization.

740013947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 740013947 is about 27203.1973672214. The cubic root of 740013947 is about 904.5098521017.

The spelling of 740013947 in words is "seven hundred forty million, thirteen thousand, nine hundred forty-seven".