740666741 has 2 divisors, whose sum is σ = 740666742. Its totient is φ = 740666740.

The previous prime is 740666713. The next prime is 740666747. The reversal of 740666741 is 147666047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384552100 + 356114641 = 19610^2 + 18871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740666741 is a prime.

It is a super-2 number, since 2×740666741² = 1097174442447122162, 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 (740666747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370333370 + 370333371.

It is an arithmetic number, because the mean of its divisors is an integer number (370333371).

Almost surely, 2^740666741 is an apocalyptic number.

It is an amenable number.

740666741 is a deficient number, since it is larger than the sum of its proper divisors (1).

740666741 is an equidigital number, since it uses as much as digits as its factorization.

740666741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 740666741 is about 27215.1932015924. The cubic root of 740666741 is about 904.7757412649.

It can be divided in two parts, 7406 and 66741, that added together give a palindrome (74147).

The spelling of 740666741 in words is "seven hundred forty million, six hundred sixty-six thousand, seven hundred forty-one".