76508638 has 8 divisors (see below), whose sum is σ = 115835832. Its totient is φ = 37896696.

The previous prime is 76508633. The next prime is 76508639. The reversal of 76508638 is 83680567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 76508594 and 76508603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76508633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178545 + ... + 178972.

It is an arithmetic number, because the mean of its divisors is an integer number (14479479).

Almost surely, 2^76508638 is an apocalyptic number.

76508638 is a deficient number, since it is larger than the sum of its proper divisors (39327194).

76508638 is a wasteful number, since it uses less digits than its factorization.

76508638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357626.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 76508638 is about 8746.9216299222. The cubic root of 76508638 is about 424.5252146622.

The spelling of 76508638 in words is "seventy-six million, five hundred eight thousand, six hundred thirty-eight".