84542067 has 6 divisors (see below), whose sum is σ = 122116332. Its totient is φ = 56361372.

The previous prime is 84542033. The next prime is 84542083. The reversal of 84542067 is 76024548.

It is not a de Polignac number, because 84542067 - 2¹⁰ = 84541043 is a prime.

It is a super-2 number, since 2×84542067² = 14294722185264978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84542027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4696773 + ... + 4696790.

It is an arithmetic number, because the mean of its divisors is an integer number (20352722).

Almost surely, 2^84542067 is an apocalyptic number.

84542067 is a deficient number, since it is larger than the sum of its proper divisors (37574265).

84542067 is a wasteful number, since it uses less digits than its factorization.

84542067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393569 (or 9393566 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 84542067 is about 9194.6760138680. The cubic root of 84542067 is about 438.8919554297.

The spelling of 84542067 in words is "eighty-four million, five hundred forty-two thousand, sixty-seven".