1797354972 has 72 divisors (see below), whose sum is σ = 5201868672. Its totient is φ = 512589600.

The previous prime is 1797354967. The next prime is 1797355003. The reversal of 1797354972 is 2794537971.

1797354972 is a `hidden beast` number, since 1 + 7 + 97 + 3 + 549 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137647 + ... + 150137.

It is an arithmetic number, because the mean of its divisors is an integer number (72248176).

Almost surely, 2^1797354972 is an apocalyptic number.

1797354972 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 1797354972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600934336).

1797354972 is an abundant number, since it is smaller than the sum of its proper divisors (3404513700).

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

1797354972 is a wasteful number, since it uses less digits than its factorization.

1797354972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079 (or 13074 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The square root of 1797354972 is about 42395.2234573660. The cubic root of 1797354972 is about 1215.8442701871.

The spelling of 1797354972 in words is "one billion, seven hundred ninety-seven million, three hundred fifty-four thousand, nine hundred seventy-two".