84036745 has 16 divisors (see below), whose sum is σ = 109342800. Its totient is φ = 61634304.

The previous prime is 84036727. The next prime is 84036781. The reversal of 84036745 is 54763048.

It can be written as a sum of positive squares in 8 ways, for example, as 27426169 + 56610576 = 5237^2 + 7524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84036745 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5347 + ... + 14023.

It is an arithmetic number, because the mean of its divisors is an integer number (6833925).

Almost surely, 2^84036745 is an apocalyptic number.

It is an amenable number.

84036745 is a deficient number, since it is larger than the sum of its proper divisors (25306055).

84036745 is a wasteful number, since it uses less digits than its factorization.

84036745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 84036745 is about 9167.1557748301. The cubic root of 84036745 is about 438.0157639774.

The spelling of 84036745 in words is "eighty-four million, thirty-six thousand, seven hundred forty-five".