2724705381 has 16 divisors (see below), whose sum is σ = 3701424960. Its totient is φ = 1782547200.

The previous prime is 2724705359. The next prime is 2724705397. The reversal of 2724705381 is 1835074272.

2724705381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2724705381 - 2⁵ = 2724705349 is a prime.

It is a super-2 number, since 2×2724705381² = 14848038826500710322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724701381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5551 + ... + 74028.

It is an arithmetic number, because the mean of its divisors is an integer number (231339060).

Almost surely, 2^2724705381 is an apocalyptic number.

It is an amenable number.

2724705381 is a deficient number, since it is larger than the sum of its proper divisors (976719579).

2724705381 is a wasteful number, since it uses less digits than its factorization.

2724705381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79796.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 2724705381 is about 52198.7105300505. The cubic root of 2724705381 is about 1396.7108809020.

The spelling of 2724705381 in words is "two billion, seven hundred twenty-four million, seven hundred five thousand, three hundred eighty-one".