83574066 has 16 divisors (see below), whose sum is σ = 168804288. Its totient is φ = 27582000.

The previous prime is 83574041. The next prime is 83574067. The reversal of 83574066 is 66047538.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83574067) 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, 68350 + ... + 69561.

It is an arithmetic number, because the mean of its divisors is an integer number (10550268).

Almost surely, 2^83574066 is an apocalyptic number.

83574066 is an abundant number, since it is smaller than the sum of its proper divisors (85230222).

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

83574066 is a wasteful number, since it uses less digits than its factorization.

83574066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138017.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 83574066 is about 9141.8852541475. The cubic root of 83574066 is about 437.2104267191.

The spelling of 83574066 in words is "eighty-three million, five hundred seventy-four thousand, sixty-six".