2572730 has 8 divisors (see below), whose sum is σ = 4630932. Its totient is φ = 1029088.

The previous prime is 2572699. The next prime is 2572741. The reversal of 2572730 is 372752.

2572730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 271441 = 1517^2 + 521^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2572730.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 128627 + ... + 128646.

2^2572730 is an apocalyptic number.

2572730 is a deficient number, since it is larger than the sum of its proper divisors (2058202).

2572730 is a wasteful number, since it uses less digits than its factorization.

2572730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257280.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 2572730 is about 1603.9731917959. The cubic root of 2572730 is about 137.0244508546.

The spelling of 2572730 in words is "two million, five hundred seventy-two thousand, seven hundred thirty".