3072530 has 8 divisors (see below), whose sum is σ = 5530572. Its totient is φ = 1229008.

The previous prime is 3072523. The next prime is 3072533. The reversal of 3072530 is 352703.

It can be written as a sum of positive squares in 2 ways, for example, as 2879809 + 192721 = 1697^2 + 439^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3072533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153617 + ... + 153636.

Almost surely, 2^3072530 is an apocalyptic number.

3072530 is a deficient number, since it is larger than the sum of its proper divisors (2458042).

3072530 is a wasteful number, since it uses less digits than its factorization.

3072530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307260.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 3072530 is about 1752.8633717435. The cubic root of 3072530 is about 145.3780069625.

The spelling of 3072530 in words is "three million, seventy-two thousand, five hundred thirty".