75109838 has 12 divisors (see below), whose sum is σ = 116419320. Its totient is φ = 36342540.

The previous prime is 75109817. The next prime is 75109843. The reversal of 75109838 is 83890157.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75109795 and 75109804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17618 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (9701610).

Almost surely, 2^75109838 is an apocalyptic number.

75109838 is a deficient number, since it is larger than the sum of its proper divisors (41309482).

75109838 is a wasteful number, since it uses less digits than its factorization.

75109838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39143 (or 39112 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 75109838 is about 8666.5932176375. The cubic root of 75109838 is about 421.9221010274.

The spelling of 75109838 in words is "seventy-five million, one hundred nine thousand, eight hundred thirty-eight".