73284971 has 4 divisors (see below), whose sum is σ = 73401744. Its totient is φ = 73168200.

The previous prime is 73284949. The next prime is 73284979. The reversal of 73284971 is 17948237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17948237 = 673 ⋅26669.

It is a cyclic number.

It is not a de Polignac number, because 73284971 - 2¹⁸ = 73022827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73284979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57440 + ... + 58701.

It is an arithmetic number, because the mean of its divisors is an integer number (18350436).

Almost surely, 2^73284971 is an apocalyptic number.

73284971 is a deficient number, since it is larger than the sum of its proper divisors (116773).

73284971 is a wasteful number, since it uses less digits than its factorization.

73284971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116772.

The product of its digits is 84672, while the sum is 41.

The square root of 73284971 is about 8560.6641681589. The cubic root of 73284971 is about 418.4770447801.

The spelling of 73284971 in words is "seventy-three million, two hundred eighty-four thousand, nine hundred seventy-one".