72818042 has 24 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 32934440.

The previous prime is 72818041. The next prime is 72818047. The reversal of 72818042 is 24081827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72818041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57209 + ... + 58467.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^72818042 is an apocalyptic number.

72818042 is a deficient number, since it is larger than the sum of its proper divisors (47839558).

72818042 is a wasteful number, since it uses less digits than its factorization.

72818042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 72818042 is about 8533.3488150901. The cubic root of 72818042 is about 417.5863867998.

Adding to 72818042 its reverse (24081827), we get a palindrome (96899869).

The spelling of 72818042 in words is "seventy-two million, eight hundred eighteen thousand, forty-two".