75013642 has 8 divisors (see below), whose sum is σ = 122749632. Its totient is φ = 34097100.

The previous prime is 75013637. The next prime is 75013661. The reversal of 75013642 is 24631057.

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

It is a super-2 number, since 2×75013642² = 11254092972208328, 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 75013642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704834 + ... + 1704877.

It is an arithmetic number, because the mean of its divisors is an integer number (15343704).

Almost surely, 2^75013642 is an apocalyptic number.

75013642 is a deficient number, since it is larger than the sum of its proper divisors (47735990).

75013642 is a wasteful number, since it uses less digits than its factorization.

75013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409724.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 75013642 is about 8661.0416232691. The cubic root of 75013642 is about 421.7419002306.

Adding to 75013642 its reverse (24631057), we get a palindrome (99644699).

The spelling of 75013642 in words is "seventy-five million, thirteen thousand, six hundred forty-two".