84731425 has 24 divisors (see below), whose sum is σ = 110796480. Its totient is φ = 64152000.

The previous prime is 84731407. The next prime is 84731429. The reversal of 84731425 is 52413748.

It is not a de Polignac number, because 84731425 - 2¹⁵ = 84698657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84731429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57346 + ... + 58804.

It is an arithmetic number, because the mean of its divisors is an integer number (4616520).

Almost surely, 2^84731425 is an apocalyptic number.

It is an amenable number.

84731425 is a deficient number, since it is larger than the sum of its proper divisors (26065055).

84731425 is a wasteful number, since it uses less digits than its factorization.

84731425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1588 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 84731425 is about 9204.9674089591. The cubic root of 84731425 is about 439.2193889962.

The spelling of 84731425 in words is "eighty-four million, seven hundred thirty-one thousand, four hundred twenty-five".