6890742 has 48 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 2171520.

The previous prime is 6890713. The next prime is 6890753. The reversal of 6890742 is 2470986.

It is a junction number, because it is equal to n+sod(n) for n = 6890697 and 6890706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29458 + ... + 29690.

It is an arithmetic number, because the mean of its divisors is an integer number (328536).

Almost surely, 2^6890742 is an apocalyptic number.

6890742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6890742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7884864).

6890742 is an abundant number, since it is smaller than the sum of its proper divisors (8878986).

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

6890742 is a wasteful number, since it uses less digits than its factorization.

6890742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6890742 is about 2625.0222856197. The cubic root of 6890742 is about 190.2926422938.

The spelling of 6890742 in words is "six million, eight hundred ninety thousand, seven hundred forty-two".