75042908 has 6 divisors (see below), whose sum is σ = 131325096. Its totient is φ = 37521452.

The previous prime is 75042907. The next prime is 75042917. The reversal of 75042908 is 80924057.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75042907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9380360 + ... + 9380367.

It is an arithmetic number, because the mean of its divisors is an integer number (21887516).

Almost surely, 2^75042908 is an apocalyptic number.

It is an amenable number.

75042908 is a deficient number, since it is larger than the sum of its proper divisors (56282188).

75042908 is a wasteful number, since it uses less digits than its factorization.

75042908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18760731 (or 18760729 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 75042908 is about 8662.7309781616. The cubic root of 75042908 is about 421.7967395608.

The spelling of 75042908 in words is "seventy-five million, forty-two thousand, nine hundred eight".