747440339 has 8 divisors (see below), whose sum is σ = 753991680. Its totient is φ = 740899656.

The previous prime is 747440333. The next prime is 747440347. The reversal of 747440339 is 933044747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747440339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747440296 and 747440305.

It is not an unprimeable number, because it can be changed into a prime (747440333) 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 7 ways as a sum of consecutive naturals, for example, 209432 + ... + 212970.

It is an arithmetic number, because the mean of its divisors is an integer number (94248960).

Almost surely, 2^747440339 is an apocalyptic number.

747440339 is a deficient number, since it is larger than the sum of its proper divisors (6551341).

747440339 is a wasteful number, since it uses less digits than its factorization.

747440339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 747440339 is about 27339.3551313852. The cubic root of 747440339 is about 907.5255155016.

The spelling of 747440339 in words is "seven hundred forty-seven million, four hundred forty thousand, three hundred thirty-nine".