84621725 has 12 divisors (see below), whose sum is σ = 110454240. Its totient is φ = 64134000.

The previous prime is 84621707. The next prime is 84621727. The reversal of 84621725 is 52712648.

It is not a de Polignac number, because 84621725 - 2¹² = 84617629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84621727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88601 + ... + 89550.

It is an arithmetic number, because the mean of its divisors is an integer number (9204520).

Almost surely, 2^84621725 is an apocalyptic number.

It is an amenable number.

84621725 is a deficient number, since it is larger than the sum of its proper divisors (25832515).

84621725 is a wasteful number, since it uses less digits than its factorization.

84621725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178180 (or 178175 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 84621725 is about 9199.0067398606. The cubic root of 84621725 is about 439.0297577564.

The spelling of 84621725 in words is "eighty-four million, six hundred twenty-one thousand, seven hundred twenty-five".