73216101 has 16 divisors (see below), whose sum is σ = 117440000. Its totient is φ = 39635568.

The previous prime is 73216051. The next prime is 73216111. The reversal of 73216101 is 10161237.

It is not a de Polignac number, because 73216101 - 2⁹ = 73215589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73216111) 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, 91351 + ... + 92148.

It is an arithmetic number, because the mean of its divisors is an integer number (7340000).

Almost surely, 2^73216101 is an apocalyptic number.

It is an amenable number.

73216101 is a deficient number, since it is larger than the sum of its proper divisors (44223899).

73216101 is a wasteful number, since it uses less digits than its factorization.

73216101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183528.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 73216101 is about 8556.6407544082. The cubic root of 73216101 is about 418.3459149069.

Adding to 73216101 its reverse (10161237), we get a palindrome (83377338).

The spelling of 73216101 in words is "seventy-three million, two hundred sixteen thousand, one hundred one".