75038642 has 8 divisors (see below), whose sum is σ = 128637696. Its totient is φ = 32159412.

The previous prime is 75038633. The next prime is 75038647. The reversal of 75038642 is 24683057.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (75038647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679938 + ... + 2679965.

It is an arithmetic number, because the mean of its divisors is an integer number (16079712).

Almost surely, 2^75038642 is an apocalyptic number.

75038642 is a deficient number, since it is larger than the sum of its proper divisors (53599054).

75038642 is a wasteful number, since it uses less digits than its factorization.

75038642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359912.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 75038642 is about 8662.4847474613. The cubic root of 75038642 is about 421.7887467159.

The spelling of 75038642 in words is "seventy-five million, thirty-eight thousand, six hundred forty-two".