75425237 has 4 divisors (see below), whose sum is σ = 75445440. Its totient is φ = 75405036.

The previous prime is 75425227. The next prime is 75425291. The reversal of 75425237 is 73252457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73252457 = 127 ⋅576791.

It is a cyclic number.

It is not a de Polignac number, because 75425237 - 2⁴ = 75425221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75425197 and 75425206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75425227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687 + ... + 12572.

It is an arithmetic number, because the mean of its divisors is an integer number (18861360).

Almost surely, 2^75425237 is an apocalyptic number.

It is an amenable number.

75425237 is a deficient number, since it is larger than the sum of its proper divisors (20203).

75425237 is a wasteful number, since it uses less digits than its factorization.

75425237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202.

The product of its digits is 58800, while the sum is 35.

The square root of 75425237 is about 8684.7704057160. The cubic root of 75425237 is about 422.5118505598.

The spelling of 75425237 in words is "seventy-five million, four hundred twenty-five thousand, two hundred thirty-seven".