73068660 has 72 divisors (see below), whose sum is σ = 253309056. Its totient is φ = 16701120.

The previous prime is 73068649. The next prime is 73068701. The reversal of 73068660 is 6686037.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 27736 + ... + 30255.

Almost surely, 2^73068660 is an apocalyptic number.

73068660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73068660 is an abundant number, since it is smaller than the sum of its proper divisors (180240396).

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

73068660 is a wasteful number, since it uses less digits than its factorization.

73068660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58013 (or 58008 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 73068660 is about 8548.0208235591. The cubic root of 73068660 is about 418.0649075430.

The spelling of 73068660 in words is "seventy-three million, sixty-eight thousand, six hundred sixty".