75641938 has 16 divisors (see below), whose sum is σ = 115020000. Its totient is φ = 37305216.

The previous prime is 75641927. The next prime is 75641939. The reversal of 75641938 is 83914657.

It is a junction number, because it is equal to n+sod(n) for n = 75641894 and 75641903.

It is not an unprimeable number, because it can be changed into a prime (75641939) 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, 59938 + ... + 61186.

It is an arithmetic number, because the mean of its divisors is an integer number (7188750).

Almost surely, 2^75641938 is an apocalyptic number.

75641938 is a deficient number, since it is larger than the sum of its proper divisors (39378062).

75641938 is a wasteful number, since it uses less digits than its factorization.

75641938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its digits is 181440, while the sum is 43.

The square root of 75641938 is about 8697.2373774665. The cubic root of 75641938 is about 422.9160971991.

The spelling of 75641938 in words is "seventy-five million, six hundred forty-one thousand, nine hundred thirty-eight".