73628544 has 64 divisors (see below), whose sum is σ = 213367680. Its totient is φ = 22310400.

The previous prime is 73628521. The next prime is 73628549. The reversal of 73628544 is 44582637.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73628549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492 + ... + 12939.

It is an arithmetic number, because the mean of its divisors is an integer number (3333870).

Almost surely, 2^73628544 is an apocalyptic number.

It is an amenable number.

73628544 is an abundant number, since it is smaller than the sum of its proper divisors (139739136).

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

73628544 is a wasteful number, since it uses less digits than its factorization.

73628544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17459 (or 17447 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 73628544 is about 8580.7076631243. The cubic root of 73628544 is about 419.1299904452.

The spelling of 73628544 in words is "seventy-three million, six hundred twenty-eight thousand, five hundred forty-four".