2572660387 has 8 divisors (see below), whose sum is σ = 2806914240. Its totient is φ = 2338469160.

The previous prime is 2572660327. The next prime is 2572660427. The reversal of 2572660387 is 7830662752.

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 2572660387 - 2²³ = 2564271779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2572660327) 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, 126064 + ... + 145042.

It is an arithmetic number, because the mean of its divisors is an integer number (350864280).

Almost surely, 2^2572660387 is an apocalyptic number.

2572660387 is a deficient number, since it is larger than the sum of its proper divisors (234253853).

2572660387 is a wasteful number, since it uses less digits than its factorization.

2572660387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31313.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 2572660387 is about 50721.3996948034. The cubic root of 2572660387 is about 1370.2321497301.

The spelling of 2572660387 in words is "two billion, five hundred seventy-two million, six hundred sixty thousand, three hundred eighty-seven".