747449365 has 16 divisors (see below), whose sum is σ = 966898800. Its totient is φ = 551411712.

The previous prime is 747449357. The next prime is 747449383. The reversal of 747449365 is 563944747.

It can be written as a sum of positive squares in 8 ways, for example, as 436350321 + 311099044 = 20889^2 + 17638^2 .

It is a cyclic number.

It is not a de Polignac number, because 747449365 - 2³ = 747449357 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 66901 + ... + 77269.

It is an arithmetic number, because the mean of its divisors is an integer number (60431175).

Almost surely, 2^747449365 is an apocalyptic number.

It is an amenable number.

747449365 is a deficient number, since it is larger than the sum of its proper divisors (219449435).

747449365 is a wasteful number, since it uses less digits than its factorization.

747449365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496.

The product of its digits is 2540160, while the sum is 49.

The square root of 747449365 is about 27339.5202042757. The cubic root of 747449365 is about 907.5291685434.

The spelling of 747449365 in words is "seven hundred forty-seven million, four hundred forty-nine thousand, three hundred sixty-five".