740068705 has 4 divisors (see below), whose sum is σ = 888082452. Its totient is φ = 592054960.

The previous prime is 740068697. The next prime is 740068711. The reversal of 740068705 is 507860047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507860047 = 643 ⋅789829.

It can be written as a sum of positive squares in 2 ways, for example, as 474019984 + 266048721 = 21772^2 + 16311^2 .

It is not a de Polignac number, because 740068705 - 2³ = 740068697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 74006866 + ... + 74006875.

It is an arithmetic number, because the mean of its divisors is an integer number (222020613).

Almost surely, 2^740068705 is an apocalyptic number.

It is an amenable number.

740068705 is a deficient number, since it is larger than the sum of its proper divisors (148013747).

740068705 is a wasteful number, since it uses less digits than its factorization.

740068705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148013746.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 740068705 is about 27204.2038111759. The cubic root of 740068705 is about 904.5321615591.

The spelling of 740068705 in words is "seven hundred forty million, sixty-eight thousand, seven hundred five".