73820163 has 8 divisors (see below), whose sum is σ = 98942976. Its totient is φ = 48955400.

The previous prime is 73820119. The next prime is 73820177. The reversal of 73820163 is 36102837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73820163 - 2⁶ = 73820099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73820163.

It is not an unprimeable number, because it can be changed into a prime (73820963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63843 + ... + 64988.

It is an arithmetic number, because the mean of its divisors is an integer number (12367872).

Almost surely, 2^73820163 is an apocalyptic number.

73820163 is a deficient number, since it is larger than the sum of its proper divisors (25122813).

73820163 is a wasteful number, since it uses less digits than its factorization.

73820163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129025.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 73820163 is about 8591.8660953253. The cubic root of 73820163 is about 419.4932721011.

The spelling of 73820163 in words is "seventy-three million, eight hundred twenty thousand, one hundred sixty-three".