75037243 has 4 divisors (see below), whose sum is σ = 75780288. Its totient is φ = 74294200.

The previous prime is 75037231. The next prime is 75037271. The reversal of 75037243 is 34273057.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75037243 - 2¹⁷ = 74906171 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75037283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371371 + ... + 371572.

It is an arithmetic number, because the mean of its divisors is an integer number (18945072).

Almost surely, 2^75037243 is an apocalyptic number.

75037243 is a deficient number, since it is larger than the sum of its proper divisors (743045).

75037243 is a wasteful number, since it uses less digits than its factorization.

75037243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743044.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 75037243 is about 8662.4039965820. The cubic root of 75037243 is about 421.7861254614.

The spelling of 75037243 in words is "seventy-five million, thirty-seven thousand, two hundred forty-three".