75806838 has 12 divisors (see below), whose sum is σ = 164248188. Its totient is φ = 25268940.

The previous prime is 75806803. The next prime is 75806839. The reversal of 75806838 is 83860857.

75806838 is a `hidden beast` number, since 7 + 580 + 68 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 75806793 and 75806802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75806839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2105728 + ... + 2105763.

It is an arithmetic number, because the mean of its divisors is an integer number (13687349).

Almost surely, 2^75806838 is an apocalyptic number.

75806838 is an abundant number, since it is smaller than the sum of its proper divisors (88441350).

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

75806838 is a wasteful number, since it uses less digits than its factorization.

75806838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211499 (or 4211496 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 75806838 is about 8706.7122382677. The cubic root of 75806838 is about 423.2231942517.

The spelling of 75806838 in words is "seventy-five million, eight hundred six thousand, eight hundred thirty-eight".