73812852 has 18 divisors (see below), whose sum is σ = 186582578. Its totient is φ = 24604272.

The previous prime is 73812841. The next prime is 73812863. The reversal of 73812852 is 25821837.

It is an interprime number because it is at equal distance from previous prime (73812841) and next prime (73812863).

It can be written as a sum of positive squares in only one way, i.e., 62157456 + 11655396 = 7884^2 + 3414^2 .

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: 2050357 = 73812852 / (7 + 3 + 8 + 1 + 2 + 8 + 5 + 2).

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 5 ways as a sum of consecutive naturals, for example, 1025143 + ... + 1025214.

Almost surely, 2^73812852 is an apocalyptic number.

It is an amenable number.

73812852 is an abundant number, since it is smaller than the sum of its proper divisors (112769726).

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

73812852 is a wasteful number, since it uses less digits than its factorization.

73812852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050367 (or 2050362 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 73812852 is about 8591.4406242492. The cubic root of 73812852 is about 419.4794230549.

The spelling of 73812852 in words is "seventy-three million, eight hundred twelve thousand, eight hundred fifty-two".