75025030 has 16 divisors (see below), whose sum is σ = 139702320. Its totient is φ = 28975072.

The previous prime is 75025021. The next prime is 75025031. The reversal of 75025030 is 3052057.

It is a junction number, because it is equal to n+sod(n) for n = 75024992 and 75025010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75025031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129064 + ... + 129643.

It is an arithmetic number, because the mean of its divisors is an integer number (8731395).

Almost surely, 2^75025030 is an apocalyptic number.

75025030 is a deficient number, since it is larger than the sum of its proper divisors (64677290).

75025030 is a wasteful number, since it uses less digits than its factorization.

75025030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258743.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 75025030 is about 8661.6990250181. The cubic root of 75025030 is about 421.7632410321.

Adding to 75025030 its reverse (3052057), we get a palindrome (78077087).

The spelling of 75025030 in words is "seventy-five million, twenty-five thousand, thirty".