75040237 has 6 divisors (see below), whose sum is σ = 78445262. Its totient is φ = 71777112.

The previous prime is 75040223. The next prime is 75040241. The reversal of 75040237 is 73204057.

It can be written as a sum of positive squares in only one way, i.e., 67798756 + 7241481 = 8234^2 + 2691^2 .

It is not a de Polignac number, because 75040237 - 2¹⁵ = 75007469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75040037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70398 + ... + 71455.

Almost surely, 2^75040237 is an apocalyptic number.

It is an amenable number.

75040237 is a deficient number, since it is larger than the sum of its proper divisors (3405025).

75040237 is a wasteful number, since it uses less digits than its factorization.

75040237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141899 (or 141876 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 75040237 is about 8662.5768106263. The cubic root of 75040237 is about 421.7917351685.

The spelling of 75040237 in words is "seventy-five million, forty thousand, two hundred thirty-seven".