84401725 has 12 divisors (see below), whose sum is σ = 104832576. Its totient is φ = 67408880.

The previous prime is 84401717. The next prime is 84401731. The reversal of 84401725 is 52710448.

It is not a de Polignac number, because 84401725 - 2³ = 84401717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14604 + ... + 19546.

It is an arithmetic number, because the mean of its divisors is an integer number (8736048).

Almost surely, 2^84401725 is an apocalyptic number.

It is an amenable number.

84401725 is a deficient number, since it is larger than the sum of its proper divisors (20430851).

84401725 is a wasteful number, since it uses less digits than its factorization.

84401725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5631 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 84401725 is about 9187.0411450042. The cubic root of 84401725 is about 438.6489636208.

The spelling of 84401725 in words is "eighty-four million, four hundred one thousand, seven hundred twenty-five".