740804089 has 2 divisors, whose sum is σ = 740804090. Its totient is φ = 740804088.

The previous prime is 740804063. The next prime is 740804107. The reversal of 740804089 is 980408047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543682489 + 197121600 = 23317^2 + 14040^2 .

It is a cyclic number.

It is not a de Polignac number, because 740804089 - 2⁷ = 740803961 is a prime.

It is not a weakly prime, because it can be changed into another prime (740804789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370402044 + 370402045.

It is an arithmetic number, because the mean of its divisors is an integer number (370402045).

Almost surely, 2^740804089 is an apocalyptic number.

It is an amenable number.

740804089 is a deficient number, since it is larger than the sum of its proper divisors (1).

740804089 is an equidigital number, since it uses as much as digits as its factorization.

740804089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 740804089 is about 27217.7164545448. The cubic root of 740804089 is about 904.8316645077.

The spelling of 740804089 in words is "seven hundred forty million, eight hundred four thousand, eighty-nine".