6740887540 has 24 divisors (see below), whose sum is σ = 14158996992. Its totient is φ = 2695758240.

The previous prime is 6740887537. The next prime is 6740887553. The reversal of 6740887540 is 457880476.

It is a happy number.

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, 61737 + ... + 131503.

It is an arithmetic number, because the mean of its divisors is an integer number (589958208).

Almost surely, 2^6740887540 is an apocalyptic number.

It is an amenable number.

6740887540 is an abundant number, since it is smaller than the sum of its proper divisors (7418109452).

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

6740887540 is a wasteful number, since it uses less digits than its factorization.

6740887540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74607 (or 74605 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 6740887540 is about 82102.9082310730. The cubic root of 6740887540 is about 1889.0307488818.

The spelling of 6740887540 in words is "six billion, seven hundred forty million, eight hundred eighty-seven thousand, five hundred forty".