83456725 has 36 divisors (see below), whose sum is σ = 116367552. Its totient is φ = 59303200.

The previous prime is 83456713. The next prime is 83456729. The reversal of 83456725 is 52765438.

It is not a de Polignac number, because 83456725 - 2²¹ = 81359573 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83456729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141882 + ... + 142468.

It is an arithmetic number, because the mean of its divisors is an integer number (3232432).

Almost surely, 2^83456725 is an apocalyptic number.

It is an amenable number.

83456725 is a deficient number, since it is larger than the sum of its proper divisors (32910827).

83456725 is a wasteful number, since it uses less digits than its factorization.

83456725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 650 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 83456725 is about 9135.4652317219. The cubic root of 83456725 is about 437.0057111490.

The spelling of 83456725 in words is "eighty-three million, four hundred fifty-six thousand, seven hundred twenty-five".