75506030 has 16 divisors (see below), whose sum is σ = 136128384. Its totient is φ = 30154080.

The previous prime is 75506029. The next prime is 75506047. The reversal of 75506030 is 3060557.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 12321.

It is an arithmetic number, because the mean of its divisors is an integer number (8508024).

Almost surely, 2^75506030 is an apocalyptic number.

75506030 is a deficient number, since it is larger than the sum of its proper divisors (60622354).

75506030 is a wasteful number, since it uses less digits than its factorization.

75506030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091.

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

The square root of 75506030 is about 8689.4205790720. The cubic root of 75506030 is about 422.6626569305.

Adding to 75506030 its reverse (3060557), we get a palindrome (78566587).

The spelling of 75506030 in words is "seventy-five million, five hundred six thousand, thirty".