84345275 has 24 divisors (see below), whose sum is σ = 125825280. Its totient is φ = 54790560.

The previous prime is 84345271. The next prime is 84345277. The reversal of 84345275 is 57254348.

It is a happy number.

It is not a de Polignac number, because 84345275 - 2² = 84345271 is a prime.

It is a super-2 number, since 2×84345275² = 14228250829651250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84345271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9359 + ... + 16008.

It is an arithmetic number, because the mean of its divisors is an integer number (5242720).

Almost surely, 2^84345275 is an apocalyptic number.

84345275 is a deficient number, since it is larger than the sum of its proper divisors (41480005).

84345275 is a wasteful number, since it uses less digits than its factorization.

84345275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25403 (or 25398 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 84345275 is about 9183.9683688480. The cubic root of 84345275 is about 438.5511486513.

The spelling of 84345275 in words is "eighty-four million, three hundred forty-five thousand, two hundred seventy-five".