6978712 has 16 divisors (see below), whose sum is σ = 14091840. Its totient is φ = 3220896.

The previous prime is 6978709. The next prime is 6978739. The reversal of 6978712 is 2178796.

It is a super-3 number, since 3×6978712³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33448 + ... + 33655.

It is an arithmetic number, because the mean of its divisors is an integer number (880740).

Almost surely, 2^6978712 is an apocalyptic number.

It is an amenable number.

6978712 is an abundant number, since it is smaller than the sum of its proper divisors (7113128).

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

6978712 is a wasteful number, since it uses less digits than its factorization.

6978712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67122 (or 67118 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 6978712 is about 2641.7251938837. The cubic root of 6978712 is about 191.0990048017.

It can be divided in two parts, 697 and 8712, that added together give a square (9409 = 97²).

The spelling of 6978712 in words is "six million, nine hundred seventy-eight thousand, seven hundred twelve".