83281370 has 32 divisors (see below), whose sum is σ = 159727680. Its totient is φ = 31173120.

The previous prime is 83281369. The next prime is 83281379. The reversal of 83281370 is 7318238.

It is not an unprimeable number, because it can be changed into a prime (83281379) 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, 13130 + ... + 18410.

It is an arithmetic number, because the mean of its divisors is an integer number (4991490).

Almost surely, 2^83281370 is an apocalyptic number.

83281370 is a deficient number, since it is larger than the sum of its proper divisors (76446310).

83281370 is a wasteful number, since it uses less digits than its factorization.

83281370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390.

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

The square root of 83281370 is about 9125.8626989452. The cubic root of 83281370 is about 436.6994251852.

The spelling of 83281370 in words is "eighty-three million, two hundred eighty-one thousand, three hundred seventy".