748323489 has 4 divisors (see below), whose sum is σ = 997764656. Its totient is φ = 498882324.

The previous prime is 748323473. The next prime is 748323503. The reversal of 748323489 is 984323847.

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 not a de Polignac number, because 748323489 - 2⁴ = 748323473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (748323689) 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, 124720579 + ... + 124720584.

It is an arithmetic number, because the mean of its divisors is an integer number (249441164).

Almost surely, 2^748323489 is an apocalyptic number.

It is an amenable number.

748323489 is a deficient number, since it is larger than the sum of its proper divisors (249441167).

748323489 is a wasteful number, since it uses less digits than its factorization.

748323489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249441166.

The product of its digits is 1161216, while the sum is 48.

The square root of 748323489 is about 27355.5019877172. The cubic root of 748323489 is about 907.8828085442.

The spelling of 748323489 in words is "seven hundred forty-eight million, three hundred twenty-three thousand, four hundred eighty-nine".