6742440378 has 32 divisors (see below), whose sum is σ = 14998811520. Its totient is φ = 2245138560.

The previous prime is 6742440361. The next prime is 6742440391. The reversal of 6742440378 is 8730442476.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12343 + ... + 116778.

It is an arithmetic number, because the mean of its divisors is an integer number (468712860).

Almost surely, 2^6742440378 is an apocalyptic number.

6742440378 is an abundant number, since it is smaller than the sum of its proper divisors (8256371142).

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

6742440378 is a wasteful number, since it uses less digits than its factorization.

6742440378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130099 (or 130093 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The square root of 6742440378 is about 82112.3643430147. The cubic root of 6742440378 is about 1889.1757907870.

The spelling of 6742440378 in words is "six billion, seven hundred forty-two million, four hundred forty thousand, three hundred seventy-eight".