2065634772 has 24 divisors (see below), whose sum is σ = 4922365056. Its totient is φ = 673894848.

The previous prime is 2065634743. The next prime is 2065634833. The reversal of 2065634772 is 2774365602.

It is a super-2 number, since 2×2065634772² = 8533694022590983968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830673 + ... + 1831800.

It is an arithmetic number, because the mean of its divisors is an integer number (205098544).

Almost surely, 2^2065634772 is an apocalyptic number.

It is an amenable number.

2065634772 is an abundant number, since it is smaller than the sum of its proper divisors (2856730284).

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

2065634772 is a wasteful number, since it uses less digits than its factorization.

2065634772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662527 (or 3662525 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 2065634772 is about 45449.2549113844. The cubic root of 2065634772 is about 1273.5554105563. Note that the first 3 decimals are identical.

The spelling of 2065634772 in words is "two billion, sixty-five million, six hundred thirty-four thousand, seven hundred seventy-two".