7530506 has 4 divisors (see below), whose sum is σ = 11295762. Its totient is φ = 3765252.

The previous prime is 7530503. The next prime is 7530529. The reversal of 7530506 is 6050357.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 3389281 = 2035^2 + 1841^2 .

It is not an unprimeable number, because it can be changed into a prime (7530503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882625 + ... + 1882628.

Almost surely, 2^7530506 is an apocalyptic number.

7530506 is a deficient number, since it is larger than the sum of its proper divisors (3765256).

7530506 is a wasteful number, since it uses less digits than its factorization.

7530506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765255.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 7530506 is about 2744.1767435790. The cubic root of 7530506 is about 196.0084162706.

It can be divided in two parts, 7530 and 506, that multiplied together give a triangular number (3810180 = T₂₇₆₀).

The spelling of 7530506 in words is "seven million, five hundred thirty thousand, five hundred six".