75388250 has 64 divisors (see below), whose sum is σ = 168390144. Its totient is φ = 24710400.

The previous prime is 75388237. The next prime is 75388259. The reversal of 75388250 is 5288357.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75388259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39314 + ... + 41186.

It is an arithmetic number, because the mean of its divisors is an integer number (2631096).

Almost surely, 2^75388250 is an apocalyptic number.

75388250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75388250 is an abundant number, since it is smaller than the sum of its proper divisors (93001894).

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

75388250 is a wasteful number, since it uses less digits than its factorization.

75388250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 75388250 is about 8682.6407273364. The cubic root of 75388250 is about 422.4427755323.

The spelling of 75388250 in words is "seventy-five million, three hundred eighty-eight thousand, two hundred fifty".