76836438 has 40 divisors (see below), whose sum is σ = 196769232. Its totient is φ = 21952944.

The previous prime is 76836433. The next prime is 76836439. The reversal of 76836438 is 83463867.

It is a junction number, because it is equal to n+sod(n) for n = 76836393 and 76836402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76836433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32745 + ... + 35012.

Almost surely, 2^76836438 is an apocalyptic number.

76836438 is an abundant number, since it is smaller than the sum of its proper divisors (119932794).

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

76836438 is a wasteful number, since it uses less digits than its factorization.

76836438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67778 (or 67769 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 76836438 is about 8765.6396229825. The cubic root of 76836438 is about 425.1306412681.

The spelling of 76836438 in words is "seventy-six million, eight hundred thirty-six thousand, four hundred thirty-eight".