73845612 has 18 divisors (see below), whose sum is σ = 186665388. Its totient is φ = 24615192.

The previous prime is 73845593. The next prime is 73845619. The reversal of 73845612 is 21654837.

73845612 is a `hidden beast` number, since 7 + 38 + 4 + 5 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2051267 = 73845612 / (7 + 3 + 8 + 4 + 5 + 6 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (73845619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1025598 + ... + 1025669.

Almost surely, 2^73845612 is an apocalyptic number.

It is an amenable number.

73845612 is an abundant number, since it is smaller than the sum of its proper divisors (112819776).

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

73845612 is a wasteful number, since it uses less digits than its factorization.

73845612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051277 (or 2051272 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 73845612 is about 8593.3469614580. The cubic root of 73845612 is about 419.5414723818.

It can be divided in two parts, 7384 and 5612, that added together give a square (12996 = 114²).

The spelling of 73845612 in words is "seventy-three million, eight hundred forty-five thousand, six hundred twelve".