72678846 has 16 divisors (see below), whose sum is σ = 145741824. Its totient is φ = 24162264.

The previous prime is 72678811. The next prime is 72678863. The reversal of 72678846 is 64887627.

It is a junction number, because it is equal to n+sod(n) for n = 72678795 and 72678804.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13516 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (9108864).

Almost surely, 2^72678846 is an apocalyptic number.

72678846 is an abundant number, since it is smaller than the sum of its proper divisors (73062978).

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

72678846 is a wasteful number, since it uses less digits than its factorization.

72678846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32015.

The product of its digits is 903168, while the sum is 48.

The square root of 72678846 is about 8525.1889128629. The cubic root of 72678846 is about 417.3201367066.

The spelling of 72678846 in words is "seventy-two million, six hundred seventy-eight thousand, eight hundred forty-six".