791738628 has 48 divisors (see below), whose sum is σ = 1914890880. Its totient is φ = 254306304.

The previous prime is 791738627. The next prime is 791738663. The reversal of 791738628 is 826837197.

It is not an unprimeable number, because it can be changed into a prime (791738627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198825 + ... + 202767.

It is an arithmetic number, because the mean of its divisors is an integer number (39893560).

Almost surely, 2^791738628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791738628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957445440).

791738628 is an abundant number, since it is smaller than the sum of its proper divisors (1123152252).

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

791738628 is a wasteful number, since it uses less digits than its factorization.

791738628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556 (or 4554 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 791738628 is about 28137.8504509495. The cubic root of 791738628 is about 925.1112125354. Note that the first 3 decimals are identical.

The spelling of 791738628 in words is "seven hundred ninety-one million, seven hundred thirty-eight thousand, six hundred twenty-eight".