72004042 has 16 divisors (see below), whose sum is σ = 121888800. Its totient is φ = 31600240.

The previous prime is 72004039. The next prime is 72004057. The reversal of 72004042 is 24040027.

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, 55792 + ... + 57067.

It is an arithmetic number, because the mean of its divisors is an integer number (7618050).

Almost surely, 2^72004042 is an apocalyptic number.

72004042 is a deficient number, since it is larger than the sum of its proper divisors (49884758).

72004042 is a wasteful number, since it uses less digits than its factorization.

72004042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112901.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 72004042 is about 8485.5195480300. The cubic root of 72004042 is about 416.0245493710.

Adding to 72004042 its reverse (24040027), we get a palindrome (96044069).

The spelling of 72004042 in words is "seventy-two million, four thousand, forty-two".