75115630 has 8 divisors (see below), whose sum is σ = 135208152. Its totient is φ = 30046248.

The previous prime is 75115627. The next prime is 75115633. The reversal of 75115630 is 3651157.

It is an interprime number because it is at equal distance from previous prime (75115627) and next prime (75115633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75115633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755772 + ... + 3755791.

It is an arithmetic number, because the mean of its divisors is an integer number (16901019).

Almost surely, 2^75115630 is an apocalyptic number.

75115630 is a deficient number, since it is larger than the sum of its proper divisors (60092522).

75115630 is a wasteful number, since it uses less digits than its factorization.

75115630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511570.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 75115630 is about 8666.9273678738. The cubic root of 75115630 is about 421.9329460780.

Adding to 75115630 its reverse (3651157), we get a palindrome (78766787).

The spelling of 75115630 in words is "seventy-five million, one hundred fifteen thousand, six hundred thirty".