76896642 has 16 divisors (see below), whose sum is σ = 157370400. Its totient is φ = 25036032.

The previous prime is 76896601. The next prime is 76896643. The reversal of 76896642 is 24669867.

It is a junction number, because it is equal to n+sod(n) for n = 76896591 and 76896600.

It is not an unprimeable number, because it can be changed into a prime (76896643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148767 + ... + 149282.

It is an arithmetic number, because the mean of its divisors is an integer number (9835650).

Almost surely, 2^76896642 is an apocalyptic number.

76896642 is an abundant number, since it is smaller than the sum of its proper divisors (80473758).

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

76896642 is a wasteful number, since it uses less digits than its factorization.

76896642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298097.

The product of its digits is 870912, while the sum is 48.

The square root of 76896642 is about 8769.0730410916. The cubic root of 76896642 is about 425.2416471223.

The spelling of 76896642 in words is "seventy-six million, eight hundred ninety-six thousand, six hundred forty-two".