84642375 has 32 divisors (see below), whose sum is σ = 142002432. Its totient is φ = 44772000.

The previous prime is 84642367. The next prime is 84642377. The reversal of 84642375 is 57324648.

It is a happy number.

It is not a de Polignac number, because 84642375 - 2³ = 84642367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84642377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48264 + ... + 49986.

It is an arithmetic number, because the mean of its divisors is an integer number (4437576).

Almost surely, 2^84642375 is an apocalyptic number.

84642375 is a deficient number, since it is larger than the sum of its proper divisors (57360057).

84642375 is a wasteful number, since it uses less digits than its factorization.

84642375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1862 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 84642375 is about 9200.1290751815. The cubic root of 84642375 is about 439.0654665816.

The spelling of 84642375 in words is "eighty-four million, six hundred forty-two thousand, three hundred seventy-five".