73641560 has 16 divisors (see below), whose sum is σ = 165693600. Its totient is φ = 29456608.

The previous prime is 73641559. The next prime is 73641563. The reversal of 73641560 is 6514637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73641563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 920480 + ... + 920559.

It is an arithmetic number, because the mean of its divisors is an integer number (10355850).

Almost surely, 2^73641560 is an apocalyptic number.

It is an amenable number.

73641560 is an abundant number, since it is smaller than the sum of its proper divisors (92052040).

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

73641560 is a wasteful number, since it uses less digits than its factorization.

73641560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841050 (or 1841046 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 73641560 is about 8581.4660752112. The cubic root of 73641560 is about 419.1546868207.

The spelling of 73641560 in words is "seventy-three million, six hundred forty-one thousand, five hundred sixty".