2071197972 has 24 divisors (see below), whose sum is σ = 5369772800. Its totient is φ = 690399288.

The previous prime is 2071197959. The next prime is 2071197991. The reversal of 2071197972 is 2797911702.

It is a happy number.

It is a super-2 number, since 2×2071197972² = 8579722078433825568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9588772 + ... + 9588987.

Almost surely, 2^2071197972 is an apocalyptic number.

It is an amenable number.

2071197972 is an abundant number, since it is smaller than the sum of its proper divisors (3298574828).

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

2071197972 is a wasteful number, since it uses less digits than its factorization.

2071197972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19177772 (or 19177764 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 2071197972 is about 45510.4160824750. The cubic root of 2071197972 is about 1274.6977054962.

The spelling of 2071197972 in words is "two billion, seventy-one million, one hundred ninety-seven thousand, nine hundred seventy-two".