72851842 has 8 divisors (see below), whose sum is σ = 124888896. Its totient is φ = 31222212.

The previous prime is 72851837. The next prime is 72851861. The reversal of 72851842 is 24815827.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2601838 + ... + 2601865.

It is an arithmetic number, because the mean of its divisors is an integer number (15611112).

Almost surely, 2^72851842 is an apocalyptic number.

72851842 is a deficient number, since it is larger than the sum of its proper divisors (52037054).

72851842 is a wasteful number, since it uses less digits than its factorization.

72851842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203712.

The product of its digits is 35840, while the sum is 37.

The square root of 72851842 is about 8535.3290504819. The cubic root of 72851842 is about 417.6509872578.

The spelling of 72851842 in words is "seventy-two million, eight hundred fifty-one thousand, eight hundred forty-two".