72871846 has 8 divisors (see below), whose sum is σ = 109597320. Its totient is φ = 36339408.

The previous prime is 72871829. The next prime is 72871847. The reversal of 72871846 is 64817827.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72871847) 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, 47311 + ... + 48826.

It is an arithmetic number, because the mean of its divisors is an integer number (13699665).

Almost surely, 2^72871846 is an apocalyptic number.

72871846 is a deficient number, since it is larger than the sum of its proper divisors (36725474).

72871846 is a wasteful number, since it uses less digits than its factorization.

72871846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96518.

The product of its digits is 150528, while the sum is 43.

The square root of 72871846 is about 8536.5008053652. The cubic root of 72871846 is about 417.6892106143.

The spelling of 72871846 in words is "seventy-two million, eight hundred seventy-one thousand, eight hundred forty-six".