75538642 has 16 divisors (see below), whose sum is σ = 119442240. Its totient is φ = 35730288.

The previous prime is 75538637. The next prime is 75538691. The reversal of 75538642 is 24683557.

It is a junction number, because it is equal to n+sod(n) for n = 75538595 and 75538604.

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, 46203 + ... + 47809.

It is an arithmetic number, because the mean of its divisors is an integer number (7465140).

Almost surely, 2^75538642 is an apocalyptic number.

75538642 is a deficient number, since it is larger than the sum of its proper divisors (43903598).

75538642 is a wasteful number, since it uses less digits than its factorization.

75538642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865.

The product of its digits is 201600, while the sum is 40.

The square root of 75538642 is about 8691.2969112785. The cubic root of 75538642 is about 422.7234992701.

The spelling of 75538642 in words is "seventy-five million, five hundred thirty-eight thousand, six hundred forty-two".