73805672 has 8 divisors (see below), whose sum is σ = 138385650. Its totient is φ = 36902832.

The previous prime is 73805657. The next prime is 73805681. The reversal of 73805672 is 27650837.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63138916 + 10666756 = 7946^2 + 3266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4612847 + ... + 4612862.

Almost surely, 2^73805672 is an apocalyptic number.

It is an amenable number.

73805672 is a deficient number, since it is larger than the sum of its proper divisors (64579978).

73805672 is a wasteful number, since it uses less digits than its factorization.

73805672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9225715 (or 9225711 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 73805672 is about 8591.0227563428. The cubic root of 73805672 is about 419.4658212685.

The spelling of 73805672 in words is "seventy-three million, eight hundred five thousand, six hundred seventy-two".