1794402720 has 480 divisors, whose sum is σ = 7100001216. Its totient is φ = 423014400.

The previous prime is 1794402713. The next prime is 1794402737. The reversal of 1794402720 is 272044971.

1794402720 is a `hidden beast` number, since 179 + 440 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-3 number, since 3×1794402720³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5844807 + ... + 5845113.

Almost surely, 2^1794402720 is an apocalyptic number.

1794402720 is a gapful number since it is divisible by the number (10) 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 1794402720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3550000608).

1794402720 is an abundant number, since it is smaller than the sum of its proper divisors (5305598496).

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

1794402720 is a wasteful number, since it uses less digits than its factorization.

1794402720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1794402720 is about 42360.3909330403. The cubic root of 1794402720 is about 1215.1782088853.

The spelling of 1794402720 in words is "one billion, seven hundred ninety-four million, four hundred two thousand, seven hundred twenty".