748425505 has 4 divisors (see below), whose sum is σ = 898110612. Its totient is φ = 598740400.

The previous prime is 748425499. The next prime is 748425551. The reversal of 748425505 is 505524847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194435136 + 553990369 = 13944^2 + 23537^2 .

It is not a de Polignac number, because 748425505 - 2²⁷ = 614207777 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74842546 + ... + 74842555.

It is an arithmetic number, because the mean of its divisors is an integer number (224527653).

Almost surely, 2^748425505 is an apocalyptic number.

It is an amenable number.

748425505 is a deficient number, since it is larger than the sum of its proper divisors (149685107).

748425505 is a wasteful number, since it uses less digits than its factorization.

748425505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149685106.

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 748425505 is about 27357.3665582051. The cubic root of 748425505 is about 907.9240627012.

The spelling of 748425505 in words is "seven hundred forty-eight million, four hundred twenty-five thousand, five hundred five".