6906740 has 24 divisors (see below), whose sum is σ = 14606592. Its totient is φ = 2743200.

The previous prime is 6906719. The next prime is 6906761. The reversal of 6906740 is 476096.

It is an interprime number because it is at equal distance from previous prime (6906719) and next prime (6906761).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6906697 and 6906706.

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, 1877 + ... + 4163.

It is an arithmetic number, because the mean of its divisors is an integer number (608608).

Almost surely, 2^6906740 is an apocalyptic number.

It is an amenable number.

6906740 is an abundant number, since it is smaller than the sum of its proper divisors (7699852).

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

6906740 is a wasteful number, since it uses less digits than its factorization.

6906740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6906740 is about 2628.0677312429. The cubic root of 6906740 is about 190.4397937798.

The spelling of 6906740 in words is "six million, nine hundred six thousand, seven hundred forty".