84575069 has 2 divisors, whose sum is σ = 84575070. Its totient is φ = 84575068.

The previous prime is 84575063. The next prime is 84575083. The reversal of 84575069 is 96057548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79887844 + 4687225 = 8938^2 + 2165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84575069 is a prime.

It is a super-2 number, since 2×84575069² = 14305884592709522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84575063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42287534 + 42287535.

It is an arithmetic number, because the mean of its divisors is an integer number (42287535).

Almost surely, 2^84575069 is an apocalyptic number.

It is an amenable number.

84575069 is a deficient number, since it is larger than the sum of its proper divisors (1).

84575069 is an equidigital number, since it uses as much as digits as its factorization.

84575069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 84575069 is about 9196.4704642596. The cubic root of 84575069 is about 438.9490568962.

The spelling of 84575069 in words is "eighty-four million, five hundred seventy-five thousand, sixty-nine".