1789788672 has 120 divisors (see below), whose sum is σ = 5903479296. Its totient is φ = 511358976.

The previous prime is 1789788647. The next prime is 1789788701. The reversal of 1789788672 is 2768879871.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4513 + ... + 59999.

Almost surely, 2^1789788672 is an apocalyptic number.

1789788672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1789788672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2951739648).

1789788672 is an abundant number, since it is smaller than the sum of its proper divisors (4113690624).

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

1789788672 is an equidigital number, since it uses as much as digits as its factorization.

1789788672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55518 (or 55499 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 63.

The square root of 1789788672 is about 42305.8940574478. The cubic root of 1789788672 is about 1214.1357629934.

The spelling of 1789788672 in words is "one billion, seven hundred eighty-nine million, seven hundred eighty-eight thousand, six hundred seventy-two".