6220739 has 16 divisors (see below), whose sum is σ = 7434240. Its totient is φ = 5093280.

The previous prime is 6220729. The next prime is 6220751. The reversal of 6220739 is 9370226.

It is a cyclic number.

It is not a de Polignac number, because 6220739 - 2⁴ = 6220723 is a prime.

It is a super-2 number, since 2×6220739² = 77395187412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6220729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23522 + ... + 23784.

It is an arithmetic number, because the mean of its divisors is an integer number (464640).

Almost surely, 2^6220739 is an apocalyptic number.

6220739 is a deficient number, since it is larger than the sum of its proper divisors (1213501).

6220739 is a wasteful number, since it uses less digits than its factorization.

6220739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 6220739 is about 2494.1409342698. The cubic root of 6220739 is about 183.9136626295.

The spelling of 6220739 in words is "six million, two hundred twenty thousand, seven hundred thirty-nine".