6742978548 has 48 divisors (see below), whose sum is σ = 16011179520. Its totient is φ = 2208060000.

The previous prime is 6742978523. The next prime is 6742978573. The reversal of 6742978548 is 8458792476.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6742978523) and next prime (6742978573).

It is a junction number, because it is equal to n+sod(n) for n = 6742978491 and 6742978500.

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, 1591593 + ... + 1595823.

It is an arithmetic number, because the mean of its divisors is an integer number (333566240).

Almost surely, 2^6742978548 is an apocalyptic number.

It is an amenable number.

6742978548 is an abundant number, since it is smaller than the sum of its proper divisors (9268200972).

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

6742978548 is a wasteful number, since it uses less digits than its factorization.

6742978548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548 (or 6546 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The square root of 6742978548 is about 82115.6413115065. The cubic root of 6742978548 is about 1889.2260530377.

The spelling of 6742978548 in words is "six billion, seven hundred forty-two million, nine hundred seventy-eight thousand, five hundred forty-eight".