6720414 has 32 divisors (see below), whose sum is σ = 14273280. Its totient is φ = 2103552.

The previous prime is 6720409. The next prime is 6720437. The reversal of 6720414 is 4140276.

6720414 = 107² + 108² + ... + 277².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18862 + ... + 19214.

It is an arithmetic number, because the mean of its divisors is an integer number (446040).

Almost surely, 2^6720414 is an apocalyptic number.

6720414 is an abundant number, since it is smaller than the sum of its proper divisors (7552866).

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

6720414 is a wasteful number, since it uses less digits than its factorization.

6720414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 6720414 is about 2592.3761301169. The cubic root of 6720414 is about 188.7116343817.

The spelling of 6720414 in words is "six million, seven hundred twenty thousand, four hundred fourteen".