84021773 has 8 divisors (see below), whose sum is σ = 92224416. Its totient is φ = 75913200.

The previous prime is 84021761. The next prime is 84021823. The reversal of 84021773 is 37712048.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84021773 - 2⁴ = 84021757 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 (84021733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21638 + ... + 25223.

It is an arithmetic number, because the mean of its divisors is an integer number (11528052).

Almost surely, 2^84021773 is an apocalyptic number.

It is an amenable number.

84021773 is a deficient number, since it is larger than the sum of its proper divisors (8202643).

84021773 is a wasteful number, since it uses less digits than its factorization.

84021773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47035.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 84021773 is about 9166.3391274816. The cubic root of 84021773 is about 437.9897501129.

The spelling of 84021773 in words is "eighty-four million, twenty-one thousand, seven hundred seventy-three".