75528037 has 4 divisors (see below), whose sum is σ = 81337900. Its totient is φ = 69718176.

The previous prime is 75528031. The next prime is 75528049. The reversal of 75528037 is 73082557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73082557 = 1931 ⋅37847.

It can be written as a sum of positive squares in 2 ways, for example, as 5788836 + 69739201 = 2406^2 + 8351^2 .

It is a cyclic number.

It is not a de Polignac number, because 75528037 - 2¹⁹ = 75003749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75527987 and 75528005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75528031) 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, 2904912 + ... + 2904937.

It is an arithmetic number, because the mean of its divisors is an integer number (20334475).

Almost surely, 2^75528037 is an apocalyptic number.

It is an amenable number.

75528037 is a deficient number, since it is larger than the sum of its proper divisors (5809863).

75528037 is a wasteful number, since it uses less digits than its factorization.

75528037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809862.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 75528037 is about 8690.6867967958. The cubic root of 75528037 is about 422.7037160510.

The spelling of 75528037 in words is "seventy-five million, five hundred twenty-eight thousand, thirty-seven".