75103506 has 12 divisors (see below), whose sum is σ = 162724302. Its totient is φ = 25034496.

The previous prime is 75103493. The next prime is 75103543. The reversal of 75103506 is 60530157.

It can be written as a sum of positive squares in only one way, i.e., 74909025 + 194481 = 8655^2 + 441^2 .

It is a super-2 number, since 2×75103506² = 11281073226984072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75103506.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2086191 + ... + 2086226.

Almost surely, 2^75103506 is an apocalyptic number.

75103506 is an abundant number, since it is smaller than the sum of its proper divisors (87620796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75103506 is a wasteful number, since it uses less digits than its factorization.

75103506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172425 (or 4172422 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 75103506 is about 8666.2278991497. The cubic root of 75103506 is about 421.9102442325.

The spelling of 75103506 in words is "seventy-five million, one hundred three thousand, five hundred six".