82573066 has 16 divisors (see below), whose sum is σ = 125089920. Its totient is φ = 40878880.

The previous prime is 82573061. The next prime is 82573079. The reversal of 82573066 is 66037528.

It is a super-2 number, since 2×82573066² = 13636622457280712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82573061) 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, 108126 + ... + 108886.

It is an arithmetic number, because the mean of its divisors is an integer number (7818120).

Almost surely, 2^82573066 is an apocalyptic number.

82573066 is a deficient number, since it is larger than the sum of its proper divisors (42516854).

82573066 is a wasteful number, since it uses less digits than its factorization.

82573066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 82573066 is about 9086.9723230568. The cubic root of 82573066 is about 435.4578629072.

The spelling of 82573066 in words is "eighty-two million, five hundred seventy-three thousand, sixty-six".