72072029 has 8 divisors (see below), whose sum is σ = 73468800. Its totient is φ = 70686000.

The previous prime is 72072019. The next prime is 72072031. The reversal of 72072029 is 92027027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72072029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72071992 and 72072010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72072019) 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, 11579 + ... + 16679.

It is an arithmetic number, because the mean of its divisors is an integer number (9183600).

Almost surely, 2^72072029 is an apocalyptic number.

It is an amenable number.

72072029 is a deficient number, since it is larger than the sum of its proper divisors (1396771).

72072029 is a wasteful number, since it uses less digits than its factorization.

72072029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 72072029 is about 8489.5246627830. The cubic root of 72072029 is about 416.1554464837.

The spelling of 72072029 in words is "seventy-two million, seventy-two thousand, twenty-nine".