2947342742 has 16 divisors (see below), whose sum is σ = 4445176320. Its totient is φ = 1465633512.

The previous prime is 2947342603. The next prime is 2947342831. The reversal of 2947342742 is 2472437492.

It is a junction number, because it is equal to n+sod(n) for n = 2947342693 and 2947342702.

It is a congruent number.

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, 418583 + ... + 425565.

It is an arithmetic number, because the mean of its divisors is an integer number (277823520).

Almost surely, 2^2947342742 is an apocalyptic number.

2947342742 is a deficient number, since it is larger than the sum of its proper divisors (1497833578).

2947342742 is a wasteful number, since it uses less digits than its factorization.

2947342742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107.

The product of its digits is 677376, while the sum is 44.

The square root of 2947342742 is about 54289.4349021981. The cubic root of 2947342742 is about 1433.7613890913.

The spelling of 2947342742 in words is "two billion, nine hundred forty-seven million, three hundred forty-two thousand, seven hundred forty-two".