6739872 has 24 divisors (see below), whose sum is σ = 17692416. Its totient is φ = 2246592.

The previous prime is 6739807. The next prime is 6739877. The reversal of 6739872 is 2789376.

It is a tau number, because it is divible by the number of its divisors (24).

It is a d-powerful number, because it can be written as 6² + 7⁷ + 3⁹ + 9³ + 8 + 7⁸ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (6739877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35008 + ... + 35199.

It is an arithmetic number, because the mean of its divisors is an integer number (737184).

Almost surely, 2^6739872 is an apocalyptic number.

It is an amenable number.

6739872 is an abundant number, since it is smaller than the sum of its proper divisors (10952544).

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

6739872 is a wasteful number, since it uses less digits than its factorization.

6739872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70220 (or 70212 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 6739872 is about 2596.1263451535. The cubic root of 6739872 is about 188.8935880928.

The spelling of 6739872 in words is "six million, seven hundred thirty-nine thousand, eight hundred seventy-two".