72073029 has 16 divisors (see below), whose sum is σ = 110620160. Its totient is φ = 40886640.

The previous prime is 72073021. The next prime is 72073051. The reversal of 72073029 is 92037027.

It is not a de Polignac number, because 72073029 - 2³ = 72073021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72072987 and 72073005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72073021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9427 + ... + 15264.

It is an arithmetic number, because the mean of its divisors is an integer number (6913760).

Almost surely, 2^72073029 is an apocalyptic number.

It is an amenable number.

72073029 is a deficient number, since it is larger than the sum of its proper divisors (38547131).

72073029 is a wasteful number, since it uses less digits than its factorization.

72073029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24840.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 72073029 is about 8489.5835586912. The cubic root of 72073029 is about 416.1573711949.

The spelling of 72073029 in words is "seventy-two million, seventy-three thousand, twenty-nine".