2731920252 has 12 divisors (see below), whose sum is σ = 6374480616. Its totient is φ = 910640080.

The previous prime is 2731920239. The next prime is 2731920277. The reversal of 2731920252 is 2520291372.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113829999 + ... + 113830022.

It is an arithmetic number, because the mean of its divisors is an integer number (531206718).

Almost surely, 2^2731920252 is an apocalyptic number.

It is an amenable number.

2731920252 is an abundant number, since it is smaller than the sum of its proper divisors (3642560364).

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

2731920252 is a wasteful number, since it uses less digits than its factorization.

2731920252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227660028 (or 227660026 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2731920252 is about 52267.7745078170. The cubic root of 2731920252 is about 1397.9425990705.

The spelling of 2731920252 in words is "two billion, seven hundred thirty-one million, nine hundred twenty thousand, two hundred fifty-two".