84680745 has 8 divisors (see below), whose sum is σ = 135489216. Its totient is φ = 45163056.

The previous prime is 84680711. The next prime is 84680759. The reversal of 84680745 is 54708648.

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

It is not a de Polignac number, because 84680745 - 2⁶ = 84680681 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 84680697 and 84680706.

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, 2822677 + ... + 2822706.

It is an arithmetic number, because the mean of its divisors is an integer number (16936152).

Almost surely, 2^84680745 is an apocalyptic number.

It is an amenable number.

84680745 is a deficient number, since it is larger than the sum of its proper divisors (50808471).

84680745 is a wasteful number, since it uses less digits than its factorization.

84680745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645391.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 84680745 is about 9202.2141357393. The cubic root of 84680745 is about 439.1318021372.

The spelling of 84680745 in words is "eighty-four million, six hundred eighty thousand, seven hundred forty-five".