72326029 has 8 divisors (see below), whose sum is σ = 74927160. Its totient is φ = 69732096.

The previous prime is 72326011. The next prime is 72326047. The reversal of 72326029 is 92062327.

It is an interprime number because it is at equal distance from previous prime (72326011) and next prime (72326047).

It can be written as a sum of positive squares in 4 ways, for example, as 28408900 + 43917129 = 5330^2 + 6627^2 .

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 72326029 - 2¹³ = 72317837 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 (72326729) 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, 26329 + ... + 28945.

It is an arithmetic number, because the mean of its divisors is an integer number (9365895).

Almost surely, 2^72326029 is an apocalyptic number.

It is an amenable number.

72326029 is a deficient number, since it is larger than the sum of its proper divisors (2601131).

72326029 is a wasteful number, since it uses less digits than its factorization.

72326029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 72326029 is about 8504.4711181825. The cubic root of 72326029 is about 416.6437521976.

The spelling of 72326029 in words is "seventy-two million, three hundred twenty-six thousand, twenty-nine".