73972293 has 16 divisors (see below), whose sum is σ = 102629376. Its totient is φ = 47340720.

The previous prime is 73972291. The next prime is 73972331. The reversal of 73972293 is 39227937.

It is not a de Polignac number, because 73972293 - 2¹ = 73972291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73972291) 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, 8680 + ... + 14942.

It is an arithmetic number, because the mean of its divisors is an integer number (6414336).

Almost surely, 2^73972293 is an apocalyptic number.

It is an amenable number.

73972293 is a deficient number, since it is larger than the sum of its proper divisors (28657083).

73972293 is a wasteful number, since it uses less digits than its factorization.

73972293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424.

The product of its digits is 142884, while the sum is 42.

The square root of 73972293 is about 8600.7146796066. The cubic root of 73972293 is about 419.7812409534.

The spelling of 73972293 in words is "seventy-three million, nine hundred seventy-two thousand, two hundred ninety-three".