748880489 has 4 divisors (see below), whose sum is σ = 855863424. Its totient is φ = 641897556.

The previous prime is 748880477. The next prime is 748880521. The reversal of 748880489 is 984088847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748880489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748882489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53491457 + ... + 53491470.

It is an arithmetic number, because the mean of its divisors is an integer number (213965856).

Almost surely, 2^748880489 is an apocalyptic number.

It is an amenable number.

748880489 is a deficient number, since it is larger than the sum of its proper divisors (106982935).

748880489 is a wasteful number, since it uses less digits than its factorization.

748880489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106982934.

The product of its (nonzero) digits is 4128768, while the sum is 56.

The square root of 748880489 is about 27365.6808612539. The cubic root of 748880489 is about 908.1080076355.

The spelling of 748880489 in words is "seven hundred forty-eight million, eight hundred eighty thousand, four hundred eighty-nine".