73057560 has 64 divisors (see below), whose sum is σ = 219754080. Its totient is φ = 19430400.

The previous prime is 73057553. The next prime is 73057561. The reversal of 73057560 is 6575037.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73057561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71614 + ... + 72626.

Almost surely, 2^73057560 is an apocalyptic number.

It is an amenable number.

73057560 is an abundant number, since it is smaller than the sum of its proper divisors (146696520).

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

73057560 is a wasteful number, since it uses less digits than its factorization.

73057560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 73057560 is about 8547.3715257967. The cubic root of 73057560 is about 418.0437367908.

The spelling of 73057560 in words is "seventy-three million, fifty-seven thousand, five hundred sixty".