6940620742 has 12 divisors (see below), whose sum is σ = 11443420548. Its totient is φ = 3154827500.

The previous prime is 6940620733. The next prime is 6940620763. The reversal of 6940620742 is 2470260496.

It is a junction number, because it is equal to n+sod(n) for n = 6940620695 and 6940620704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14339884 + ... + 14340367.

It is an arithmetic number, because the mean of its divisors is an integer number (953618379).

Almost surely, 2^6940620742 is an apocalyptic number.

6940620742 is a deficient number, since it is larger than the sum of its proper divisors (4502799806).

6940620742 is a wasteful number, since it uses less digits than its factorization.

6940620742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28680275 (or 28680264 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 6940620742 is about 83310.3879597256. The cubic root of 6940620742 is about 1907.5068429025.

The spelling of 6940620742 in words is "six billion, nine hundred forty million, six hundred twenty thousand, seven hundred forty-two".