748380565 has 8 divisors (see below), whose sum is σ = 898208568. Its totient is φ = 598603200.

The previous prime is 748380533. The next prime is 748380571. The reversal of 748380565 is 565083847.

748380565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 561073969 + 187306596 = 23687^2 + 13686^2 .

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

It is not a de Polignac number, because 748380565 - 2⁵ = 748380533 is a prime.

It is a Duffinian number.

It is a congruent 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, 39115 + ... + 55015.

It is an arithmetic number, because the mean of its divisors is an integer number (112276071).

Almost surely, 2^748380565 is an apocalyptic number.

It is an amenable number.

748380565 is a deficient number, since it is larger than the sum of its proper divisors (149828003).

748380565 is a wasteful number, since it uses less digits than its factorization.

748380565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25319.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 748380565 is about 27356.5451948889. The cubic root of 748380565 is about 907.9058899176.

The spelling of 748380565 in words is "seven hundred forty-eight million, three hundred eighty thousand, five hundred sixty-five".