740873961 has 27 divisors (see below), whose sum is σ = 1100834397. Its totient is φ = 480143160.

The previous prime is 740873927. The next prime is 740873963. The reversal of 740873961 is 169378047.

The square root of 740873961 is 27219.

It is a perfect power (a square), and thus also a powerful number.

740873961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 740873961 - 2⁹ = 740873449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740873963) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3511146 + ... + 3511356.

Almost surely, 2^740873961 is an apocalyptic number.

740873961 is the 27219-th square number.

740873961 is the 13610-th centered octagonal number.

It is an amenable number.

740873961 is a deficient number, since it is larger than the sum of its proper divisors (359960436).

740873961 is an equidigital number, since it uses as much as digits as its factorization.

740873961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The cubic root of 740873961 is about 904.8601112596.

Multiplying 740873961 by its product of nonzero digits (254016), we get a square (188193840077376 = 13718376²).

The spelling of 740873961 in words is "seven hundred forty million, eight hundred seventy-three thousand, nine hundred sixty-one".