740543247 has 6 divisors (see below), whose sum is σ = 1069673592. Its totient is φ = 493695492.

The previous prime is 740543179. The next prime is 740543263. The reversal of 740543247 is 742345047.

740543247 is a `hidden beast` number, since 7 + 405 + 4 + 3 + 247 = 666.

740543247 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 740543247 - 2¹⁸ = 740281103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740543047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41141283 + ... + 41141300.

It is an arithmetic number, because the mean of its divisors is an integer number (178278932).

Almost surely, 2^740543247 is an apocalyptic number.

740543247 is a deficient number, since it is larger than the sum of its proper divisors (329130345).

740543247 is a wasteful number, since it uses less digits than its factorization.

740543247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82282589 (or 82282586 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 740543247 is about 27212.9242640331. The cubic root of 740543247 is about 904.7254529775.

The spelling of 740543247 in words is "seven hundred forty million, five hundred forty-three thousand, two hundred forty-seven".