73412812 has 12 divisors (see below), whose sum is σ = 140151816. Its totient is φ = 33369440.

The previous prime is 73412809. The next prime is 73412819. The reversal of 73412812 is 21821437.

It is not an unprimeable number, because it can be changed into a prime (73412819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834193 + ... + 834280.

It is an arithmetic number, because the mean of its divisors is an integer number (11679318).

Almost surely, 2^73412812 is an apocalyptic number.

It is an amenable number.

73412812 is a deficient number, since it is larger than the sum of its proper divisors (66739004).

73412812 is a wasteful number, since it uses less digits than its factorization.

73412812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668488 (or 1668486 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 73412812 is about 8568.1276834557. The cubic root of 73412812 is about 418.7202390077.

It can be divided in two parts, 7341 and 2812, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 73412812 in words is "seventy-three million, four hundred twelve thousand, eight hundred twelve".