75500238 has 16 divisors (see below), whose sum is σ = 164727936. Its totient is φ = 22878840.

The previous prime is 75500233. The next prime is 75500251. The reversal of 75500238 is 83200557.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75500233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571906 + ... + 572037.

It is an arithmetic number, because the mean of its divisors is an integer number (10295496).

Almost surely, 2^75500238 is an apocalyptic number.

75500238 is an abundant number, since it is smaller than the sum of its proper divisors (89227698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75500238 is a wasteful number, since it uses less digits than its factorization.

75500238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143959.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 75500238 is about 8689.0872938416. The cubic root of 75500238 is about 422.6518492961.

The spelling of 75500238 in words is "seventy-five million, five hundred thousand, two hundred thirty-eight".