740704031 has 2 divisors, whose sum is σ = 740704032. Its totient is φ = 740704030.

The previous prime is 740704009. The next prime is 740704087. The reversal of 740704031 is 130407047.

It is a weak prime.

It is an emirp because it is prime and its reverse (130407047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740704031 is a prime.

It is a super-2 number, since 2×740704031² = 1097284923079297922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740704001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370352015 + 370352016.

It is an arithmetic number, because the mean of its divisors is an integer number (370352016).

Almost surely, 2^740704031 is an apocalyptic number.

740704031 is a deficient number, since it is larger than the sum of its proper divisors (1).

740704031 is an equidigital number, since it uses as much as digits as its factorization.

740704031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 740704031 is about 27215.8782882346. The cubic root of 740704031 is about 904.7909251163.

The spelling of 740704031 in words is "seven hundred forty million, seven hundred four thousand, thirty-one".