72004029 has 8 divisors (see below), whose sum is σ = 97438560. Its totient is φ = 47286096.

The previous prime is 72004021. The next prime is 72004033. The reversal of 72004029 is 92040027.

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

It is not a de Polignac number, because 72004029 - 2³ = 72004021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72004021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178914 + ... + 179315.

It is an arithmetic number, because the mean of its divisors is an integer number (12179820).

Almost surely, 2^72004029 is an apocalyptic number.

It is an amenable number.

72004029 is a deficient number, since it is larger than the sum of its proper divisors (25434531).

72004029 is a wasteful number, since it uses less digits than its factorization.

72004029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358299.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 72004029 is about 8485.5187820192. The cubic root of 72004029 is about 416.0245243339.

The spelling of 72004029 in words is "seventy-two million, four thousand, twenty-nine".