6472739 has 8 divisors (see below), whose sum is σ = 7966560. Its totient is φ = 5121216.

The previous prime is 6472723. The next prime is 6472757. The reversal of 6472739 is 9372746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6472739 - 2⁴ = 6472723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6472789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35474 + ... + 35655.

It is an arithmetic number, because the mean of its divisors is an integer number (995820).

Almost surely, 2^6472739 is an apocalyptic number.

6472739 is a deficient number, since it is larger than the sum of its proper divisors (1493821).

6472739 is a wasteful number, since it uses less digits than its factorization.

6472739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71149.

The product of its digits is 63504, while the sum is 38.

The square root of 6472739 is about 2544.1578174319. The cubic root of 6472739 is about 186.3642897170.

The spelling of 6472739 in words is "six million, four hundred seventy-two thousand, seven hundred thirty-nine".