72854642 has 16 divisors (see below), whose sum is σ = 127799232. Its totient is φ = 30497040.

The previous prime is 72854627. The next prime is 72854651. The reversal of 72854642 is 24645827.

It is a junction number, because it is equal to n+sod(n) for n = 72854596 and 72854605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59909 + ... + 61112.

It is an arithmetic number, because the mean of its divisors is an integer number (7987452).

Almost surely, 2^72854642 is an apocalyptic number.

72854642 is a deficient number, since it is larger than the sum of its proper divisors (54944590).

72854642 is a wasteful number, since it uses less digits than its factorization.

72854642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121073.

The product of its digits is 107520, while the sum is 38.

The square root of 72854642 is about 8535.4930730450. The cubic root of 72854642 is about 417.6563378788.

The spelling of 72854642 in words is "seventy-two million, eight hundred fifty-four thousand, six hundred forty-two".