6772947540 has 48 divisors (see below), whose sum is σ = 19788789888. Its totient is φ = 1727592064.

The previous prime is 6772947521. The next prime is 6772947551. The reversal of 6772947540 is 457492776.

It is a congruent 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, 2452587 + ... + 2455346.

It is an arithmetic number, because the mean of its divisors is an integer number (412266456).

Almost surely, 2^6772947540 is an apocalyptic number.

6772947540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6772947540 is an abundant number, since it is smaller than the sum of its proper divisors (13015842348).

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

6772947540 is a wasteful number, since it uses less digits than its factorization.

6772947540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907968 (or 4907966 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The square root of 6772947540 is about 82297.9194147701. The cubic root of 6772947540 is about 1892.0207886873.

The spelling of 6772947540 in words is "six billion, seven hundred seventy-two million, nine hundred forty-seven thousand, five hundred forty".