75525337 has 4 divisors (see below), whose sum is σ = 76218340. Its totient is φ = 74832336.

The previous prime is 75525313. The next prime is 75525341. The reversal of 75525337 is 73352557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73352557 = 1031 ⋅71147.

It can be written as a sum of positive squares in 2 ways, for example, as 26790976 + 48734361 = 5176^2 + 6981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75525337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75525296 and 75525305.

It is not an unprimeable number, because it can be changed into a prime (75525347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346338 + ... + 346555.

It is an arithmetic number, because the mean of its divisors is an integer number (19054585).

Almost surely, 2^75525337 is an apocalyptic number.

It is an amenable number.

75525337 is a deficient number, since it is larger than the sum of its proper divisors (693003).

75525337 is a wasteful number, since it uses less digits than its factorization.

75525337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693002.

The product of its digits is 110250, while the sum is 37.

The square root of 75525337 is about 8690.5314567062. The cubic root of 75525337 is about 422.6986790093.

The spelling of 75525337 in words is "seventy-five million, five hundred twenty-five thousand, three hundred thirty-seven".