748173869 has 4 divisors (see below), whose sum is σ = 757188096. Its totient is φ = 739159644.

The previous prime is 748173827. The next prime is 748173883. The reversal of 748173869 is 968371847.

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-748173869 is a prime.

It is a super-2 number, since 2×748173869² = 1119528276508858322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748173869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748113869) 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, 4506989 + ... + 4507154.

It is an arithmetic number, because the mean of its divisors is an integer number (189297024).

Almost surely, 2^748173869 is an apocalyptic number.

It is an amenable number.

748173869 is a deficient number, since it is larger than the sum of its proper divisors (9014227).

748173869 is an equidigital number, since it uses as much as digits as its factorization.

748173869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9014226.

The product of its digits is 2032128, while the sum is 53.

The square root of 748173869 is about 27352.7671177890. The cubic root of 748173869 is about 907.8222970666.

The spelling of 748173869 in words is "seven hundred forty-eight million, one hundred seventy-three thousand, eight hundred sixty-nine".