73560066 has 16 divisors (see below), whose sum is σ = 152193600. Its totient is φ = 23674448.

The previous prime is 73560061. The next prime is 73560073. The reversal of 73560066 is 66006537.

It is a super-2 number, since 2×73560066² = 10822166619848712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73560061) 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, 211206 + ... + 211553.

It is an arithmetic number, because the mean of its divisors is an integer number (9512100).

Almost surely, 2^73560066 is an apocalyptic number.

73560066 is an abundant number, since it is smaller than the sum of its proper divisors (78633534).

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

73560066 is a wasteful number, since it uses less digits than its factorization.

73560066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422793.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 73560066 is about 8576.7165045838. The cubic root of 73560066 is about 419.0000132907. Note that the first 4 decimals are identical.

The spelling of 73560066 in words is "seventy-three million, five hundred sixty thousand, sixty-six".