84745345 has 4 divisors (see below), whose sum is σ = 101694420. Its totient is φ = 67796272.

The previous prime is 84745333. The next prime is 84745361. The reversal of 84745345 is 54354748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 50452609 = 5856^2 + 7103^2 .

It is a cyclic number.

It is not a de Polignac number, because 84745345 - 2⁵ = 84745313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84745298 and 84745307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8474530 + ... + 8474539.

It is an arithmetic number, because the mean of its divisors is an integer number (25423605).

Almost surely, 2^84745345 is an apocalyptic number.

It is an amenable number.

84745345 is a deficient number, since it is larger than the sum of its proper divisors (16949075).

84745345 is a wasteful number, since it uses less digits than its factorization.

84745345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16949074.

The product of its digits is 268800, while the sum is 40.

The square root of 84745345 is about 9205.7234913938. The cubic root of 84745345 is about 439.2434398885.

The spelling of 84745345 in words is "eighty-four million, seven hundred forty-five thousand, three hundred forty-five".