2572648667 has 8 divisors (see below), whose sum is σ = 2695051200. Its totient is φ = 2452492224.

The previous prime is 2572648657. The next prime is 2572648679. The reversal of 2572648667 is 7668462752.

It is a happy number.

2572648667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2572648667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2572648657) 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, 559178 + ... + 563759.

It is an arithmetic number, because the mean of its divisors is an integer number (336881400).

Almost surely, 2^2572648667 is an apocalyptic number.

2572648667 is a deficient number, since it is larger than the sum of its proper divisors (122402533).

2572648667 is a wasteful number, since it uses less digits than its factorization.

2572648667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123045.

The product of its digits is 6773760, while the sum is 53.

The square root of 2572648667 is about 50721.2841615825. The cubic root of 2572648667 is about 1370.2300689858.

The spelling of 2572648667 in words is "two billion, five hundred seventy-two million, six hundred forty-eight thousand, six hundred sixty-seven".