83047972 has 24 divisors (see below), whose sum is σ = 167625920. Its totient is φ = 35264160.

The previous prime is 83047969. The next prime is 83047997. The reversal of 83047972 is 27974038.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10554 + ... + 16657.

Almost surely, 2^83047972 is an apocalyptic number.

It is an amenable number.

83047972 is an abundant number, since it is smaller than the sum of its proper divisors (84577948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83047972 is a wasteful number, since it uses less digits than its factorization.

83047972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27331 (or 27329 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 83047972 is about 9113.0660043698. The cubic root of 83047972 is about 436.2910900178.

The spelling of 83047972 in words is "eighty-three million, forty-seven thousand, nine hundred seventy-two".