740436779 has 4 divisors (see below), whose sum is σ = 740659800. Its totient is φ = 740213760.

The previous prime is 740436773. The next prime is 740436803. The reversal of 740436779 is 977634047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740436779 - 2⁸ = 740436523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740436773) 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 in 3 ways as a sum of consecutive naturals, for example, 106454 + ... + 113195.

It is an arithmetic number, because the mean of its divisors is an integer number (185164950).

Almost surely, 2^740436779 is an apocalyptic number.

740436779 is a deficient number, since it is larger than the sum of its proper divisors (223021).

740436779 is a wasteful number, since it uses less digits than its factorization.

740436779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223020.

The product of its (nonzero) digits is 889056, while the sum is 47.

The square root of 740436779 is about 27210.9679908672. The cubic root of 740436779 is about 904.6820934004.

The spelling of 740436779 in words is "seven hundred forty million, four hundred thirty-six thousand, seven hundred seventy-nine".