73272101 has 6 divisors (see below), whose sum is σ = 85234950. Its totient is φ = 62804616.

The previous prime is 73272083. The next prime is 73272109. The reversal of 73272101 is 10127237.

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 22791076 = 7105^2 + 4774^2 .

It is not a de Polignac number, because 73272101 - 2¹⁸ = 73009957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73272109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 747626 + ... + 747723.

It is an arithmetic number, because the mean of its divisors is an integer number (14205825).

Almost surely, 2^73272101 is an apocalyptic number.

It is an amenable number.

73272101 is a deficient number, since it is larger than the sum of its proper divisors (11962849).

73272101 is a wasteful number, since it uses less digits than its factorization.

73272101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495363 (or 1495356 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 73272101 is about 8559.9124411410. The cubic root of 73272101 is about 418.4525462834.

Adding to 73272101 its reverse (10127237), we get a palindrome (83399338).

The spelling of 73272101 in words is "seventy-three million, two hundred seventy-two thousand, one hundred one".