2731470330 has 64 divisors (see below), whose sum is σ = 6704736768. Its totient is φ = 711859200.

The previous prime is 2731470319. The next prime is 2731470331. The reversal of 2731470330 is 330741372.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2731470331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1692604 + ... + 1694216.

It is an arithmetic number, because the mean of its divisors is an integer number (104761512).

Almost surely, 2^2731470330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731470330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3352368384).

2731470330 is an abundant number, since it is smaller than the sum of its proper divisors (3973266438).

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

2731470330 is a wasteful number, since it uses less digits than its factorization.

2731470330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 2731470330 is about 52263.4703210569. The cubic root of 2731470330 is about 1397.8658521180.

The spelling of 2731470330 in words is "two billion, seven hundred thirty-one million, four hundred seventy thousand, three hundred thirty".