2731932672 has 132 divisors (see below), whose sum is σ = 8470895400. Its totient is φ = 780509184.

The previous prime is 2731932661. The next prime is 2731932677. The reversal of 2731932672 is 2762391372.

It is a super-2 number, since 2×2731932672² = 14926912248682119168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731932677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141454 + ... + 159602.

It is an arithmetic number, because the mean of its divisors is an integer number (64173450).

Almost surely, 2^2731932672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731932672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4235447700).

2731932672 is an abundant number, since it is smaller than the sum of its proper divisors (5738962728).

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

2731932672 is a wasteful number, since it uses less digits than its factorization.

2731932672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18186 (or 18161 counting only the distinct ones).

The product of its digits is 190512, while the sum is 42.

The square root of 2731932672 is about 52267.8933189391. The cubic root of 2731932672 is about 1397.9447175341.

The spelling of 2731932672 in words is "two billion, seven hundred thirty-one million, nine hundred thirty-two thousand, six hundred seventy-two".