748097569 has 4 divisors (see below), whose sum is σ = 748311444. Its totient is φ = 747883696.

The previous prime is 748097557. The next prime is 748097587. The reversal of 748097569 is 965790847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 965790847 = 7 ⋅137970121.

It can be written as a sum of positive squares in 2 ways, for example, as 45158400 + 702939169 = 6720^2 + 26513^2 .

It is a cyclic number.

It is not a de Polignac number, because 748097569 - 2²⁷ = 613879841 is a prime.

It is a super-2 number, since 2×748097569² = 1119299945487419522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748097069) by changing a digit.

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, 101602 + ... + 108715.

It is an arithmetic number, because the mean of its divisors is an integer number (187077861).

Almost surely, 2^748097569 is an apocalyptic number.

It is an amenable number.

748097569 is a deficient number, since it is larger than the sum of its proper divisors (213875).

748097569 is a wasteful number, since it uses less digits than its factorization.

748097569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213874.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 748097569 is about 27351.3723421696. The cubic root of 748097569 is about 907.7914356145.

The spelling of 748097569 in words is "seven hundred forty-eight million, ninety-seven thousand, five hundred sixty-nine".