6725998 has 4 divisors (see below), whose sum is σ = 10089000. Its totient is φ = 3362998.

The previous prime is 6725987. The next prime is 6726023. The reversal of 6725998 is 8995276.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1681498 + ... + 1681501.

It is an arithmetic number, because the mean of its divisors is an integer number (2522250).

Almost surely, 2^6725998 is an apocalyptic number.

6725998 is a deficient number, since it is larger than the sum of its proper divisors (3363002).

6725998 is a wasteful number, since it uses less digits than its factorization.

6725998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363001.

The product of its digits is 272160, while the sum is 46.

The square root of 6725998 is about 2593.4529106965. The cubic root of 6725998 is about 188.7638868195.

It can be divided in two parts, 672 and 5998, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 6725998 in words is "six million, seven hundred twenty-five thousand, nine hundred ninety-eight".