73505723 has 16 divisors (see below), whose sum is σ = 78408000. Its totient is φ = 68766720.

The previous prime is 73505711. The next prime is 73505759. The reversal of 73505723 is 32750537.

It is a cyclic number.

It is not a de Polignac number, because 73505723 - 2⁶ = 73505659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73505723.

It is not an unprimeable number, because it can be changed into a prime (73505323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304883 + ... + 305123.

It is an arithmetic number, because the mean of its divisors is an integer number (4900500).

Almost surely, 2^73505723 is an apocalyptic number.

73505723 is a deficient number, since it is larger than the sum of its proper divisors (4902277).

73505723 is a wasteful number, since it uses less digits than its factorization.

73505723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 73505723 is about 8573.5478653822. The cubic root of 73505723 is about 418.8968081671.

The spelling of 73505723 in words is "seventy-three million, five hundred five thousand, seven hundred twenty-three".