73972105 has 8 divisors (see below), whose sum is σ = 88821000. Its totient is φ = 59141376.

The previous prime is 73972079. The next prime is 73972123. The reversal of 73972105 is 50127937.

It can be written as a sum of positive squares in 4 ways, for example, as 11451456 + 62520649 = 3384^2 + 7907^2 .

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 73972105 - 2²¹ = 71874953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7171 + ... + 14119.

It is an arithmetic number, because the mean of its divisors is an integer number (11102625).

Almost surely, 2^73972105 is an apocalyptic number.

It is an amenable number.

73972105 is a deficient number, since it is larger than the sum of its proper divisors (14848895).

73972105 is a wasteful number, since it uses less digits than its factorization.

73972105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 73972105 is about 8600.7037502753. The cubic root of 73972105 is about 419.7808853295.

The spelling of 73972105 in words is "seventy-three million, nine hundred seventy-two thousand, one hundred five".