84673905 has 8 divisors (see below), whose sum is σ = 135478272. Its totient is φ = 45159408.

The previous prime is 84673891. The next prime is 84673943. The reversal of 84673905 is 50937648.

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 84673905 - 2¹¹ = 84671857 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, 2822449 + ... + 2822478.

It is an arithmetic number, because the mean of its divisors is an integer number (16934784).

Almost surely, 2^84673905 is an apocalyptic number.

It is an amenable number.

84673905 is a deficient number, since it is larger than the sum of its proper divisors (50804367).

84673905 is a wasteful number, since it uses less digits than its factorization.

84673905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644935.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 84673905 is about 9201.8424785474. The cubic root of 84673905 is about 439.1199783458.

The spelling of 84673905 in words is "eighty-four million, six hundred seventy-three thousand, nine hundred five".