740736613 has 2 divisors, whose sum is σ = 740736614. Its totient is φ = 740736612.

The previous prime is 740736611. The next prime is 740736671. The reversal of 740736613 is 316637047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 732081249 + 8655364 = 27057^2 + 2942^2 .

It is a cyclic number.

It is not a de Polignac number, because 740736613 - 2¹ = 740736611 is a prime.

Together with 740736611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740736611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370368306 + 370368307.

It is an arithmetic number, because the mean of its divisors is an integer number (370368307).

Almost surely, 2^740736613 is an apocalyptic number.

It is an amenable number.

740736613 is a deficient number, since it is larger than the sum of its proper divisors (1).

740736613 is an equidigital number, since it uses as much as digits as its factorization.

740736613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 740736613 is about 27216.4768660457. The cubic root of 740736613 is about 904.8041915334.

The spelling of 740736613 in words is "seven hundred forty million, seven hundred thirty-six thousand, six hundred thirteen".