740499869 has 2 divisors, whose sum is σ = 740499870. Its totient is φ = 740499868.

The previous prime is 740499853. The next prime is 740499887. The reversal of 740499869 is 968994047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674077369 + 66422500 = 25963^2 + 8150^2 .

It is a cyclic number.

It is not a de Polignac number, because 740499869 - 2⁴ = 740499853 is a prime.

It is a super-2 number, since 2×740499869² = 1096680111978034322, 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 (740499829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370249934 + 370249935.

It is an arithmetic number, because the mean of its divisors is an integer number (370249935).

Almost surely, 2^740499869 is an apocalyptic number.

It is an amenable number.

740499869 is a deficient number, since it is larger than the sum of its proper divisors (1).

740499869 is an equidigital number, since it uses as much as digits as its factorization.

740499869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 740499869 is about 27212.1272413606. The cubic root of 740499869 is about 904.7077875915.

The spelling of 740499869 in words is "seven hundred forty million, four hundred ninety-nine thousand, eight hundred sixty-nine".