73648429 has 8 divisors (see below), whose sum is σ = 77627160. Its totient is φ = 69765696.

The previous prime is 73648397. The next prime is 73648433. The reversal of 73648429 is 92484637.

It can be written as a sum of positive squares in 4 ways, for example, as 6375625 + 67272804 = 2525^2 + 8202^2 .

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 73648429 - 2⁵ = 73648397 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 (73648439) 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 7 ways as a sum of consecutive naturals, for example, 22422 + ... + 25495.

It is an arithmetic number, because the mean of its divisors is an integer number (9703395).

Almost surely, 2^73648429 is an apocalyptic number.

It is an amenable number.

73648429 is a deficient number, since it is larger than the sum of its proper divisors (3978731).

73648429 is a wasteful number, since it uses less digits than its factorization.

73648429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47999.

The product of its digits is 290304, while the sum is 43.

The square root of 73648429 is about 8581.8662888675. The cubic root of 73648429 is about 419.1677187917.

The spelling of 73648429 in words is "seventy-three million, six hundred forty-eight thousand, four hundred twenty-nine".