75650 has 24 divisors (see below), whose sum is σ = 150660. Its totient is φ = 28160.
The previous prime is 75641. The next prime is 75653. The reversal of 75650 is 5657.
It can be written as a sum of positive squares in 6 ways, for example, as 25921 + 49729 = 161^2 + 223^2 .
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75653) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806 + ... + 894.
275650 is an apocalyptic number.
75650 is a deficient number, since it is larger than the sum of its proper divisors (75010).
75650 is a wasteful number, since it uses less digits than its factorization.
75650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118 (or 113 counting only the distinct ones).
The product of its (nonzero) digits is 1050, while the sum is 23.
The square root of 75650 is about 275.0454507895. The cubic root of 75650 is about 42.2931121618.
The spelling of 75650 in words is "seventy-five thousand, six hundred fifty".
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