2942478724 has 24 divisors (see below), whose sum is σ = 5292990360. Its totient is φ = 1430263296.

The previous prime is 2942478709. The next prime is 2942478743. The reversal of 2942478724 is 4278742492.

It can be written as a sum of positive squares in 4 ways, for example, as 1038901824 + 1903576900 = 32232^2 + 43630^2 .

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, 181212 + ... + 196780.

It is an arithmetic number, because the mean of its divisors is an integer number (220541265).

Almost surely, 2^2942478724 is an apocalyptic number.

It is an amenable number.

2942478724 is a deficient number, since it is larger than the sum of its proper divisors (2350511636).

2942478724 is a wasteful number, since it uses less digits than its factorization.

2942478724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16887 (or 16885 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 49.

The square root of 2942478724 is about 54244.6193091997. The cubic root of 2942478724 is about 1432.9722397161.

The spelling of 2942478724 in words is "two billion, nine hundred forty-two million, four hundred seventy-eight thousand, seven hundred twenty-four".