1798680672 has 72 divisors (see below), whose sum is σ = 5152446936. Its totient is φ = 595170816.

The previous prime is 1798680671. The next prime is 1798680703. The reversal of 1798680672 is 2760868971.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798680671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16663 + ... + 62249.

It is an arithmetic number, because the mean of its divisors is an integer number (71561763).

Almost surely, 2^1798680672 is an apocalyptic number.

1798680672 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 1798680672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576223468).

1798680672 is an abundant number, since it is smaller than the sum of its proper divisors (3353766264).

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

1798680672 is a wasteful number, since it uses less digits than its factorization.

1798680672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45740 (or 45729 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 1798680672 is about 42410.8555914638. The cubic root of 1798680672 is about 1216.1431257547.

The spelling of 1798680672 in words is "one billion, seven hundred ninety-eight million, six hundred eighty thousand, six hundred seventy-two".