84037045 has 4 divisors (see below), whose sum is σ = 100844460. Its totient is φ = 67229632.

The previous prime is 84037039. The next prime is 84037049. The reversal of 84037045 is 54073048.

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 54508689 + 29528356 = 7383^2 + 5434^2 .

It is a cyclic number.

It is not a de Polignac number, because 84037045 - 2⁵ = 84037013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84036998 and 84037016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84037049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8403700 + ... + 8403709.

It is an arithmetic number, because the mean of its divisors is an integer number (25211115).

Almost surely, 2^84037045 is an apocalyptic number.

It is an amenable number.

84037045 is a deficient number, since it is larger than the sum of its proper divisors (16807415).

84037045 is a wasteful number, since it uses less digits than its factorization.

84037045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16807414.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 84037045 is about 9167.1721375787. The cubic root of 84037045 is about 438.0162851962.

The spelling of 84037045 in words is "eighty-four million, thirty-seven thousand, forty-five".