83272409 has 8 divisors (see below), whose sum is σ = 96186528. Its totient is φ = 71248960.

The previous prime is 83272393. The next prime is 83272433. The reversal of 83272409 is 90427238.

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 83272409 - 2⁴ = 83272393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83272499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222467 + ... + 222840.

It is an arithmetic number, because the mean of its divisors is an integer number (12023316).

Almost surely, 2^83272409 is an apocalyptic number.

It is an amenable number.

83272409 is a deficient number, since it is larger than the sum of its proper divisors (12914119).

83272409 is a wasteful number, since it uses less digits than its factorization.

83272409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445335.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 83272409 is about 9125.3717184562. The cubic root of 83272409 is about 436.6837618025.

The spelling of 83272409 in words is "eighty-three million, two hundred seventy-two thousand, four hundred nine".