740949887 has 2 divisors, whose sum is σ = 740949888. Its totient is φ = 740949886.

The previous prime is 740949883. The next prime is 740949917. The reversal of 740949887 is 788949047.

It is a weak prime.

It is an emirp because it is prime and its reverse (788949047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740949887 - 2² = 740949883 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 (740949883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370474943 + 370474944.

It is an arithmetic number, because the mean of its divisors is an integer number (370474944).

Almost surely, 2^740949887 is an apocalyptic number.

740949887 is a deficient number, since it is larger than the sum of its proper divisors (1).

740949887 is an equidigital number, since it uses as much as digits as its factorization.

740949887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 740949887 is about 27220.3946885419. The cubic root of 740949887 is about 904.8910207286.

The spelling of 740949887 in words is "seven hundred forty million, nine hundred forty-nine thousand, eight hundred eighty-seven".