84074045 has 16 divisors (see below), whose sum is σ = 113857920. Its totient is φ = 59035200.

The previous prime is 84074033. The next prime is 84074047. The reversal of 84074045 is 54047048.

It is not a de Polignac number, because 84074045 - 2¹⁰ = 84073021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84074047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24761 + ... + 27950.

It is an arithmetic number, because the mean of its divisors is an integer number (7116120).

Almost surely, 2^84074045 is an apocalyptic number.

It is an amenable number.

84074045 is a deficient number, since it is larger than the sum of its proper divisors (29783875).

84074045 is a wasteful number, since it uses less digits than its factorization.

84074045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52756.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 84074045 is about 9169.1899860348. The cubic root of 84074045 is about 438.0805593292.

The spelling of 84074045 in words is "eighty-four million, seventy-four thousand, forty-five".