748666830 has 64 divisors (see below), whose sum is σ = 1839651840. Its totient is φ = 194939136.

The previous prime is 748666811. The next prime is 748666873. The reversal of 748666830 is 38666847.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 748666830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223911 + ... + 227229.

It is an arithmetic number, because the mean of its divisors is an integer number (28744560).

Almost surely, 2^748666830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748666830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919825920).

748666830 is an abundant number, since it is smaller than the sum of its proper divisors (1090985010).

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

748666830 is a wasteful number, since it uses less digits than its factorization.

748666830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505.

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

The square root of 748666830 is about 27361.7768063406. The cubic root of 748666830 is about 908.0216369766.

The spelling of 748666830 in words is "seven hundred forty-eight million, six hundred sixty-six thousand, eight hundred thirty".