740949917 has 2 divisors, whose sum is σ = 740949918. Its totient is φ = 740949916.

The previous prime is 740949887. The next prime is 740949931. The reversal of 740949917 is 719949047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387735481 + 353214436 = 19691^2 + 18794^2 .

It is an emirp because it is prime and its reverse (719949047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740949917 - 2⁸ = 740949661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740949997) 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, 370474958 + 370474959.

It is an arithmetic number, because the mean of its divisors is an integer number (370474959).

Almost surely, 2^740949917 is an apocalyptic number.

It is an amenable number.

740949917 is a deficient number, since it is larger than the sum of its proper divisors (1).

740949917 is an equidigital number, since it uses as much as digits as its factorization.

740949917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 740949917 is about 27220.3952395993. The cubic root of 740949917 is about 904.8910329411.

The spelling of 740949917 in words is "seven hundred forty million, nine hundred forty-nine thousand, nine hundred seventeen".