73820005 has 16 divisors (see below), whose sum is σ = 101493504. Its totient is φ = 50492160.

The previous prime is 73819973. The next prime is 73820017. The reversal of 73820005 is 50002837.

It is not a de Polignac number, because 73820005 - 2⁵ = 73819973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12720 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (6343344).

Almost surely, 2^73820005 is an apocalyptic number.

It is an amenable number.

73820005 is a deficient number, since it is larger than the sum of its proper divisors (27673499).

73820005 is a wasteful number, since it uses less digits than its factorization.

73820005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 73820005 is about 8591.8569005774. The cubic root of 73820005 is about 419.4929728153.

The spelling of 73820005 in words is "seventy-three million, eight hundred twenty thousand, five".