83378272 has 24 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 41599104.

The previous prime is 83378237. The next prime is 83378303. The reversal of 83378272 is 27287338.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13729 + ... + 18847.

It is an arithmetic number, because the mean of its divisors is an integer number (6854400).

Almost surely, 2^83378272 is an apocalyptic number.

It is an amenable number.

83378272 is a deficient number, since it is larger than the sum of its proper divisors (81127328).

83378272 is a wasteful number, since it uses less digits than its factorization.

83378272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638 (or 5630 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 83378272 is about 9131.1703521509. The cubic root of 83378272 is about 436.8687333415.

The spelling of 83378272 in words is "eighty-three million, three hundred seventy-eight thousand, two hundred seventy-two".