75215130 has 32 divisors (see below), whose sum is σ = 181609344. Its totient is φ = 19935936.

The previous prime is 75215113. The next prime is 75215141. The reversal of 75215130 is 3151257.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75215130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497 + ... + 12516.

It is an arithmetic number, because the mean of its divisors is an integer number (5675292).

Almost surely, 2^75215130 is an apocalyptic number.

75215130 is an abundant number, since it is smaller than the sum of its proper divisors (106394214).

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

75215130 is a wasteful number, since it uses less digits than its factorization.

75215130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 75215130 is about 8672.6656801701. The cubic root of 75215130 is about 422.1191647777.

Adding to 75215130 its reverse (3151257), we get a palindrome (78366387).

The spelling of 75215130 in words is "seventy-five million, two hundred fifteen thousand, one hundred thirty".