83680270 has 16 divisors (see below), whose sum is σ = 151161840. Its totient is φ = 33352704.

The previous prime is 83680249. The next prime is 83680271. The reversal of 83680270 is 7208638.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83680271) 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, 11955 + ... + 17614.

It is an arithmetic number, because the mean of its divisors is an integer number (9447615).

Almost surely, 2^83680270 is an apocalyptic number.

83680270 is a deficient number, since it is larger than the sum of its proper divisors (67481570).

83680270 is a wasteful number, since it uses less digits than its factorization.

83680270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29859.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 83680270 is about 9147.6920586561. The cubic root of 83680270 is about 437.3955473089.

The spelling of 83680270 in words is "eighty-three million, six hundred eighty thousand, two hundred seventy".