2731407920 has 40 divisors (see below), whose sum is σ = 6569512560. Its totient is φ = 1054887680.

The previous prime is 2731407911. The next prime is 2731407967. The reversal of 2731407920 is 297041372.

2731407920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 586346 + ... + 590985.

It is an arithmetic number, because the mean of its divisors is an integer number (164237814).

Almost surely, 2^2731407920 is an apocalyptic number.

2731407920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731407920 is an abundant number, since it is smaller than the sum of its proper divisors (3838104640).

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

2731407920 is a wasteful number, since it uses less digits than its factorization.

2731407920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177373 (or 1177367 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2731407920 is about 52262.8732466940. The cubic root of 2731407920 is about 1397.8552056576.

The spelling of 2731407920 in words is "two billion, seven hundred thirty-one million, four hundred seven thousand, nine hundred twenty".