72444029 has 12 divisors (see below), whose sum is σ = 83836512. Its totient is φ = 61316760.

The previous prime is 72444023. The next prime is 72444037. The reversal of 72444029 is 92044427.

It is not a de Polignac number, because 72444029 - 2⁴ = 72444013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72443986 and 72444004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72444023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232784 + ... + 233094.

It is an arithmetic number, because the mean of its divisors is an integer number (6986376).

Almost surely, 2^72444029 is an apocalyptic number.

It is an amenable number.

72444029 is a deficient number, since it is larger than the sum of its proper divisors (11392483).

72444029 is an equidigital number, since it uses as much as digits as its factorization.

72444029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 72444029 is about 8511.4058180773. The cubic root of 72444029 is about 416.8702140059.

The spelling of 72444029 in words is "seventy-two million, four hundred forty-four thousand, twenty-nine".