73684372 has 6 divisors (see below), whose sum is σ = 128947658. Its totient is φ = 36842184.

The previous prime is 73684357. The next prime is 73684397. The reversal of 73684372 is 27348637.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45104656 + 28579716 = 6716^2 + 5346^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9210543 + ... + 9210550.

Almost surely, 2^73684372 is an apocalyptic number.

It is an amenable number.

73684372 is a deficient number, since it is larger than the sum of its proper divisors (55263286).

73684372 is a wasteful number, since it uses less digits than its factorization.

73684372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421097 (or 18421095 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 73684372 is about 8583.9601583418. The cubic root of 73684372 is about 419.2358971867.

The spelling of 73684372 in words is "seventy-three million, six hundred eighty-four thousand, three hundred seventy-two".