75730242 has 16 divisors (see below), whose sum is σ = 173097792. Its totient is φ = 21637200.

The previous prime is 75730229. The next prime is 75730243. The reversal of 75730242 is 24203757.

It is not an unprimeable number, because it can be changed into a prime (75730243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901509 + ... + 901592.

It is an arithmetic number, because the mean of its divisors is an integer number (10818612).

Almost surely, 2^75730242 is an apocalyptic number.

75730242 is an abundant number, since it is smaller than the sum of its proper divisors (97367550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75730242 is a wasteful number, since it uses less digits than its factorization.

75730242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803113.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 75730242 is about 8702.3124512971. The cubic root of 75730242 is about 423.0806032094.

Adding to 75730242 its reverse (24203757), we get a palindrome (99933999).

The spelling of 75730242 in words is "seventy-five million, seven hundred thirty thousand, two hundred forty-two".