84725913 has 8 divisors (see below), whose sum is σ = 115371648. Its totient is φ = 55282064.

The previous prime is 84725887. The next prime is 84725923. The reversal of 84725913 is 31952748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84725913 - 2²² = 80531609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84725923) 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 7 ways as a sum of consecutive naturals, for example, 300306 + ... + 300587.

It is an arithmetic number, because the mean of its divisors is an integer number (14421456).

Almost surely, 2^84725913 is an apocalyptic number.

It is an amenable number.

84725913 is a deficient number, since it is larger than the sum of its proper divisors (30645735).

84725913 is a wasteful number, since it uses less digits than its factorization.

84725913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600943.

The product of its digits is 60480, while the sum is 39.

The square root of 84725913 is about 9204.6680005310. The cubic root of 84725913 is about 439.2098646677.

The spelling of 84725913 in words is "eighty-four million, seven hundred twenty-five thousand, nine hundred thirteen".