76838345 has 16 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 60100800.

The previous prime is 76838341. The next prime is 76838353. The reversal of 76838345 is 54383867.

It is not a de Polignac number, because 76838345 - 2² = 76838341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76838296 and 76838305.

It is not an unprimeable number, because it can be changed into a prime (76838341) 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 15 ways as a sum of consecutive naturals, for example, 57596 + ... + 58914.

It is an arithmetic number, because the mean of its divisors is an integer number (5892480).

Almost surely, 2^76838345 is an apocalyptic number.

It is an amenable number.

76838345 is a deficient number, since it is larger than the sum of its proper divisors (17441335).

76838345 is a wasteful number, since it uses less digits than its factorization.

76838345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its digits is 483840, while the sum is 44.

The square root of 76838345 is about 8765.7483993097. The cubic root of 76838345 is about 425.1341583383.

The spelling of 76838345 in words is "seventy-six million, eight hundred thirty-eight thousand, three hundred forty-five".