73473129 has 8 divisors (see below), whose sum is σ = 108849120. Its totient is φ = 48982068.

The previous prime is 73473091. The next prime is 73473137. The reversal of 73473129 is 92137437.

It is not a de Polignac number, because 73473129 - 2⁸ = 73472873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73473093 and 73473102.

It is not an unprimeable number, because it can be changed into a prime (73473139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360587 + ... + 1360640.

It is an arithmetic number, because the mean of its divisors is an integer number (13606140).

Almost surely, 2^73473129 is an apocalyptic number.

It is an amenable number.

73473129 is a deficient number, since it is larger than the sum of its proper divisors (35375991).

73473129 is a wasteful number, since it uses less digits than its factorization.

73473129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721236 (or 2721230 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 73473129 is about 8571.6468079360. The cubic root of 73473129 is about 418.8348830970.

The spelling of 73473129 in words is "seventy-three million, four hundred seventy-three thousand, one hundred twenty-nine".