72207829 has 8 divisors (see below), whose sum is σ = 73111968. Its totient is φ = 71307600.

The previous prime is 72207827. The next prime is 72207853. The reversal of 72207829 is 92870227.

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

It is a cyclic number.

It is not a de Polignac number, because 72207829 - 2¹ = 72207827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72207827) 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, 54594 + ... + 55900.

It is an arithmetic number, because the mean of its divisors is an integer number (9138996).

Almost surely, 2^72207829 is an apocalyptic number.

It is an amenable number.

72207829 is a deficient number, since it is larger than the sum of its proper divisors (904139).

72207829 is a wasteful number, since it uses less digits than its factorization.

72207829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 72207829 is about 8497.5189908584. The cubic root of 72207829 is about 416.4166594792.

The spelling of 72207829 in words is "seventy-two million, two hundred seven thousand, eight hundred twenty-nine".