73246729 has 4 divisors (see below), whose sum is σ = 77101840. Its totient is φ = 69391620.

The previous prime is 73246709. The next prime is 73246741. The reversal of 73246729 is 92764237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73246729 - 2⁷ = 73246601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73246691 and 73246700.

It is not an unprimeable number, because it can be changed into a prime (73246709) 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 3 ways as a sum of consecutive naturals, for example, 1927527 + ... + 1927564.

It is an arithmetic number, because the mean of its divisors is an integer number (19275460).

Almost surely, 2^73246729 is an apocalyptic number.

It is an amenable number.

73246729 is a deficient number, since it is larger than the sum of its proper divisors (3855111).

73246729 is a wasteful number, since it uses less digits than its factorization.

73246729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855110.

The product of its digits is 127008, while the sum is 40.

The square root of 73246729 is about 8558.4302883181. The cubic root of 73246729 is about 418.4042413872.

The spelling of 73246729 in words is "seventy-three million, two hundred forty-six thousand, seven hundred twenty-nine".