748639223 has 8 divisors (see below), whose sum is σ = 752173536. Its totient is φ = 745113600.

The previous prime is 748639211. The next prime is 748639237. The reversal of 748639223 is 322936847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748639223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748632223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221063 + ... + 224423.

It is an arithmetic number, because the mean of its divisors is an integer number (94021692).

Almost surely, 2^748639223 is an apocalyptic number.

748639223 is a deficient number, since it is larger than the sum of its proper divisors (3534313).

748639223 is a wasteful number, since it uses less digits than its factorization.

748639223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its digits is 435456, while the sum is 44.

The square root of 748639223 is about 27361.2723205629. The cubic root of 748639223 is about 908.0104757762.

The spelling of 748639223 in words is "seven hundred forty-eight million, six hundred thirty-nine thousand, two hundred twenty-three".