748828821 has 8 divisors (see below), whose sum is σ = 1075241440. Its totient is φ = 460817712.

The previous prime is 748828819. The next prime is 748828831. The reversal of 748828821 is 128828847.

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

It is not a de Polignac number, because 748828821 - 2¹ = 748828819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748828831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9600331 + ... + 9600408.

It is an arithmetic number, because the mean of its divisors is an integer number (134405180).

Almost surely, 2^748828821 is an apocalyptic number.

It is an amenable number.

748828821 is a deficient number, since it is larger than the sum of its proper divisors (326412619).

748828821 is a wasteful number, since it uses less digits than its factorization.

748828821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19200755.

The product of its digits is 458752, while the sum is 48.

The square root of 748828821 is about 27364.7368158365. The cubic root of 748828821 is about 908.0871225925.

The spelling of 748828821 in words is "seven hundred forty-eight million, eight hundred twenty-eight thousand, eight hundred twenty-one".