83081272 has 8 divisors (see below), whose sum is σ = 155777400. Its totient is φ = 41540632.

The previous prime is 83081249. The next prime is 83081291. The reversal of 83081272 is 27218038.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5192572 + ... + 5192587.

It is an arithmetic number, because the mean of its divisors is an integer number (19472175).

Almost surely, 2^83081272 is an apocalyptic number.

It is an amenable number.

83081272 is a deficient number, since it is larger than the sum of its proper divisors (72696128).

83081272 is a wasteful number, since it uses less digits than its factorization.

83081272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385165 (or 10385161 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 83081272 is about 9114.8928682678. The cubic root of 83081272 is about 436.3493958842.

The spelling of 83081272 in words is "eighty-three million, eighty-one thousand, two hundred seventy-two".