6724690 has 32 divisors (see below), whose sum is σ = 14649984. Its totient is φ = 2169600.

The previous prime is 6724649. The next prime is 6724709. The reversal of 6724690 is 964276.

It is a super-2 number, since 2×6724690² = 90442911192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 4015.

It is an arithmetic number, because the mean of its divisors is an integer number (457812).

Almost surely, 2^6724690 is an apocalyptic number.

6724690 is an abundant number, since it is smaller than the sum of its proper divisors (7925294).

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

6724690 is a wasteful number, since it uses less digits than its factorization.

6724690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 6724690 is about 2593.2007249729. The cubic root of 6724690 is about 188.7516497670.

The spelling of 6724690 in words is "six million, seven hundred twenty-four thousand, six hundred ninety".