747813265 has 8 divisors (see below), whose sum is σ = 902334888. Its totient is φ = 594944640.

The previous prime is 747813257. The next prime is 747813277. The reversal of 747813265 is 562318747.

It can be written as a sum of positive squares in 4 ways, for example, as 77158656 + 670654609 = 8784^2 + 25897^2 .

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

It is not a de Polignac number, because 747813265 - 2³ = 747813257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412252 + ... + 414061.

It is an arithmetic number, because the mean of its divisors is an integer number (112791861).

Almost surely, 2^747813265 is an apocalyptic number.

It is an amenable number.

747813265 is a deficient number, since it is larger than the sum of its proper divisors (154521623).

747813265 is a wasteful number, since it uses less digits than its factorization.

747813265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826499.

The product of its digits is 282240, while the sum is 43.

The square root of 747813265 is about 27346.1745953616. The cubic root of 747813265 is about 907.6764232381.

The spelling of 747813265 in words is "seven hundred forty-seven million, eight hundred thirteen thousand, two hundred sixty-five".