78732841 has 8 divisors (see below), whose sum is σ = 89625024. Its totient is φ = 68463120.

The previous prime is 78732821. The next prime is 78732851. The reversal of 78732841 is 14823787.

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

It is not a de Polignac number, because 78732841 - 2⁵ = 78732809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78732794 and 78732803.

It is not an unprimeable number, because it can be changed into a prime (78732811) 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 7 ways as a sum of consecutive naturals, for example, 155346 + ... + 155851.

It is an arithmetic number, because the mean of its divisors is an integer number (11203128).

Almost surely, 2^78732841 is an apocalyptic number.

It is an amenable number.

78732841 is a deficient number, since it is larger than the sum of its proper divisors (10892183).

78732841 is a wasteful number, since it uses less digits than its factorization.

78732841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311231.

The product of its digits is 75264, while the sum is 40.

The square root of 78732841 is about 8873.1528218554. The cubic root of 78732841 is about 428.5998100940.

The spelling of 78732841 in words is "seventy-eight million, seven hundred thirty-two thousand, eight hundred forty-one".