75242750 has 32 divisors (see below), whose sum is σ = 153664992. Its totient is φ = 27360000.

The previous prime is 75242701. The next prime is 75242753. The reversal of 75242750 is 5724257.

It is a super-2 number, since 2×75242750² = 11322942855125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75242753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10931 + ... + 16430.

It is an arithmetic number, because the mean of its divisors is an integer number (4802031).

Almost surely, 2^75242750 is an apocalyptic number.

75242750 is an abundant number, since it is smaller than the sum of its proper divisors (78422242).

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

75242750 is a wasteful number, since it uses less digits than its factorization.

75242750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27389 (or 27379 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 75242750 is about 8674.2578933301. The cubic root of 75242750 is about 422.1708277189.

The spelling of 75242750 in words is "seventy-five million, two hundred forty-two thousand, seven hundred fifty".