83381270 has 32 divisors (see below), whose sum is σ = 172501056. Its totient is φ = 28425600.

The previous prime is 83381269. The next prime is 83381273. The reversal of 83381270 is 7218338.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83381273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9380 + ... + 15960.

It is an arithmetic number, because the mean of its divisors is an integer number (5390658).

Almost surely, 2^83381270 is an apocalyptic number.

83381270 is an abundant number, since it is smaller than the sum of its proper divisors (89119786).

83381270 is a wasteful number, since it uses less digits than its factorization.

83381270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 83381270 is about 9131.3345136404. The cubic root of 83381270 is about 436.8739693850.

The spelling of 83381270 in words is "eighty-three million, three hundred eighty-one thousand, two hundred seventy".