84002073 has 4 divisors (see below), whose sum is σ = 112002768. Its totient is φ = 56001380.

The previous prime is 84002069. The next prime is 84002081. The reversal of 84002073 is 37020048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84002073 - 2² = 84002069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84000073) 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, 14000343 + ... + 14000348.

It is an arithmetic number, because the mean of its divisors is an integer number (28000692).

Almost surely, 2^84002073 is an apocalyptic number.

It is an amenable number.

84002073 is a deficient number, since it is larger than the sum of its proper divisors (28000695).

84002073 is a wasteful number, since it uses less digits than its factorization.

84002073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28000694.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 84002073 is about 9165.2644806356. The cubic root of 84002073 is about 437.9555166350.

The spelling of 84002073 in words is "eighty-four million, two thousand, seventy-three".