83013970 has 32 divisors (see below), whose sum is σ = 166118400. Its totient is φ = 29661120.

The previous prime is 83013967. The next prime is 83013989. The reversal of 83013970 is 7931038.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6270 + ... + 14329.

It is an arithmetic number, because the mean of its divisors is an integer number (5191200).

Almost surely, 2^83013970 is an apocalyptic number.

83013970 is an abundant number, since it is smaller than the sum of its proper divisors (83104430).

83013970 is a wasteful number, since it uses less digits than its factorization.

83013970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20650.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 83013970 is about 9111.2002502415. The cubic root of 83013970 is about 436.2315389160.

The spelling of 83013970 in words is "eighty-three million, thirteen thousand, nine hundred seventy".