748666820 has 24 divisors (see below), whose sum is σ = 1715128128. Its totient is φ = 272242400.

The previous prime is 748666811. The next prime is 748666873. The reversal of 748666820 is 28666847.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701296 + ... + 1701735.

It is an arithmetic number, because the mean of its divisors is an integer number (71463672).

Almost surely, 2^748666820 is an apocalyptic number.

It is an amenable number.

748666820 is an abundant number, since it is smaller than the sum of its proper divisors (966461308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748666820 is a wasteful number, since it uses less digits than its factorization.

748666820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403051 (or 3403049 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 748666820 is about 27361.7766236040. The cubic root of 748666820 is about 908.0216329337.

The spelling of 748666820 in words is "seven hundred forty-eight million, six hundred sixty-six thousand, eight hundred twenty".