2721440070 has 48 divisors (see below), whose sum is σ = 7491968640. Its totient is φ = 683027712.

The previous prime is 2721440039. The next prime is 2721440081. The reversal of 2721440070 is 700441272.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 887830 + ... + 890889.

It is an arithmetic number, because the mean of its divisors is an integer number (156082680).

Almost surely, 2^2721440070 is an apocalyptic number.

2721440070 is an abundant number, since it is smaller than the sum of its proper divisors (4770528570).

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

2721440070 is a wasteful number, since it uses less digits than its factorization.

2721440070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778749 (or 1778746 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 2721440070 is about 52167.4234556394. The cubic root of 2721440070 is about 1396.1527143191.

The spelling of 2721440070 in words is "two billion, seven hundred twenty-one million, four hundred forty thousand, seventy".