2742761646 has 48 divisors (see below), whose sum is σ = 5998045248. Its totient is φ = 905760000.

The previous prime is 2742761633. The next prime is 2742761669. The reversal of 2742761646 is 6461672472.

2742761646 is a `hidden beast` number, since 2 + 7 + 4 + 27 + 616 + 4 + 6 = 666.

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, 1851226 + ... + 1852706.

It is an arithmetic number, because the mean of its divisors is an integer number (124959276).

Almost surely, 2^2742761646 is an apocalyptic number.

2742761646 is an abundant number, since it is smaller than the sum of its proper divisors (3255283602).

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

2742761646 is a wasteful number, since it uses less digits than its factorization.

2742761646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2374 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 2742761646 is about 52371.3819370847. The cubic root of 2742761646 is about 1399.7893638887.

The spelling of 2742761646 in words is "two billion, seven hundred forty-two million, seven hundred sixty-one thousand, six hundred forty-six".