73641576 has 64 divisors (see below), whose sum is σ = 191580480. Its totient is φ = 23569920.

The previous prime is 73641571. The next prime is 73641583. The reversal of 73641576 is 67514637.

It is not an unprimeable number, because it can be changed into a prime (73641571) 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 15 ways as a sum of consecutive naturals, for example, 65370 + ... + 66486.

It is an arithmetic number, because the mean of its divisors is an integer number (2993445).

Almost surely, 2^73641576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73641576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95790240).

73641576 is an abundant number, since it is smaller than the sum of its proper divisors (117938904).

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

73641576 is a wasteful number, since it uses less digits than its factorization.

73641576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1230 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 73641576 is about 8581.4670074527. The cubic root of 73641576 is about 419.1547171771.

The spelling of 73641576 in words is "seventy-three million, six hundred forty-one thousand, five hundred seventy-six".