2572702209 has 32 divisors (see below), whose sum is σ = 4751892480. Its totient is φ = 1336467600.

The previous prime is 2572702207. The next prime is 2572702261. The reversal of 2572702209 is 9022072752.

It is not a de Polignac number, because 2572702209 - 2¹ = 2572702207 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2572702207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616657 + ... + 620814.

It is an arithmetic number, because the mean of its divisors is an integer number (148496640).

Almost surely, 2^2572702209 is an apocalyptic number.

It is an amenable number.

2572702209 is a deficient number, since it is larger than the sum of its proper divisors (2179190271).

2572702209 is a wasteful number, since it uses less digits than its factorization.

2572702209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237498 (or 1237492 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2572702209 is about 50721.8119648737. The cubic root of 2572702209 is about 1370.2395746690.

The spelling of 2572702209 in words is "two billion, five hundred seventy-two million, seven hundred two thousand, two hundred nine".