6725427815 has 32 divisors (see below), whose sum is σ = 9010137600. Its totient is φ = 4795528320.

The previous prime is 6725427811. The next prime is 6725427827. The reversal of 6725427815 is 5187245276.

It is not a de Polignac number, because 6725427815 - 2² = 6725427811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6725427815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725427811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108056 + ... + 158514.

It is an arithmetic number, because the mean of its divisors is an integer number (281566800).

Almost surely, 2^6725427815 is an apocalyptic number.

6725427815 is a deficient number, since it is larger than the sum of its proper divisors (2284709785).

6725427815 is a wasteful number, since it uses less digits than its factorization.

6725427815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50567.

The product of its digits is 940800, while the sum is 47.

The square root of 6725427815 is about 82008.7057268922. The cubic root of 6725427815 is about 1887.5855262329.

The spelling of 6725427815 in words is "six billion, seven hundred twenty-five million, four hundred twenty-seven thousand, eight hundred fifteen".