1797272064 has 400 divisors, whose sum is σ = 6321845376. Its totient is φ = 497664000.

The previous prime is 1797272063. The next prime is 1797272069. The reversal of 1797272064 is 4602727971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797272063) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11902389 + ... + 11902539.

Almost surely, 2^1797272064 is an apocalyptic number.

1797272064 is a gapful number since it is divisible by the number (14) 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 1797272064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3160922688).

1797272064 is an abundant number, since it is smaller than the sum of its proper divisors (4524573312).

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

1797272064 is an equidigital number, since it uses as much as digits as its factorization.

1797272064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 1797272064 is about 42394.2456472574. The cubic root of 1797272064 is about 1215.8255751661.

The spelling of 1797272064 in words is "one billion, seven hundred ninety-seven million, two hundred seventy-two thousand, sixty-four".