73459429156 has 27 divisors (see below), whose sum is σ = 133168253491. Its totient is φ = 35455583744.

The previous prime is 73459429133. The next prime is 73459429159. The reversal of 73459429156 is 65192495437.

The square root of 73459429156 is 271034.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 23737564900 + 49721864256 = 154070^2 + 222984^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73459429097 and 73459429106.

It is not an unprimeable number, because it can be changed into a prime (73459429159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15717636 + ... + 15722308.

Almost surely, 2^73459429156 is an apocalyptic number.

73459429156 is the 271034-th square number.

It is an amenable number.

73459429156 is a deficient number, since it is larger than the sum of its proper divisors (59708824335).

73459429156 is an frugal number, since it uses more digits than its factorization.

73459429156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408 (or 4704 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 55.

The spelling of 73459429156 in words is "seventy-three billion, four hundred fifty-nine million, four hundred twenty-nine thousand, one hundred fifty-six".