83537070 has 16 divisors (see below), whose sum is σ = 200489040. Its totient is φ = 22276544.

The previous prime is 83537057. The next prime is 83537071. The reversal of 83537070 is 7073538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83537071) 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, 1392255 + ... + 1392314.

It is an arithmetic number, because the mean of its divisors is an integer number (12530565).

Almost surely, 2^83537070 is an apocalyptic number.

83537070 is an abundant number, since it is smaller than the sum of its proper divisors (116951970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83537070 is a wasteful number, since it uses less digits than its factorization.

83537070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784579.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 83537070 is about 9139.8615963263. The cubic root of 83537070 is about 437.1459034164.

The spelling of 83537070 in words is "eighty-three million, five hundred thirty-seven thousand, seventy".