740468839 has 4 divisors (see below), whose sum is σ = 807784200. Its totient is φ = 673153480.

The previous prime is 740468819. The next prime is 740468849. The reversal of 740468839 is 938864047.

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 740468839 - 2⁹ = 740468327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740468792 and 740468801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740468819) 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, 33657664 + ... + 33657685.

It is an arithmetic number, because the mean of its divisors is an integer number (201946050).

Almost surely, 2^740468839 is an apocalyptic number.

740468839 is a deficient number, since it is larger than the sum of its proper divisors (67315361).

740468839 is a wasteful number, since it uses less digits than its factorization.

740468839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67315360.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 740468839 is about 27211.5570851798. The cubic root of 740468839 is about 904.6951504185.

The spelling of 740468839 in words is "seven hundred forty million, four hundred sixty-eight thousand, eight hundred thirty-nine".