73680624 has 40 divisors (see below), whose sum is σ = 211491920. Its totient is φ = 24560064.

The previous prime is 73680599. The next prime is 73680643. The reversal of 73680624 is 42608637.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84847 + ... + 85710.

It is an arithmetic number, because the mean of its divisors is an integer number (5287298).

Almost surely, 2^73680624 is an apocalyptic number.

It is an amenable number.

73680624 is an abundant number, since it is smaller than the sum of its proper divisors (137811296).

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

73680624 is a wasteful number, since it uses less digits than its factorization.

73680624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170574 (or 170562 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 73680624 is about 8583.7418414116. The cubic root of 73680624 is about 419.2287888373.

The spelling of 73680624 in words is "seventy-three million, six hundred eighty thousand, six hundred twenty-four".