6720130 has 16 divisors (see below), whose sum is σ = 12130560. Its totient is φ = 2680432.

The previous prime is 6720089. The next prime is 6720143. The reversal of 6720130 is 310276.

It is a junction number, because it is equal to n+sod(n) for n = 6720098 and 6720107.

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, 3951 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^6720130 is an apocalyptic number.

6720130 is a deficient number, since it is larger than the sum of its proper divisors (5410430).

6720130 is a wasteful number, since it uses less digits than its factorization.

6720130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 6720130 is about 2592.3213535362. The cubic root of 6720130 is about 188.7089760703.

The spelling of 6720130 in words is "six million, seven hundred twenty thousand, one hundred thirty".