75545064 has 240 divisors, whose sum is σ = 262173600. Its totient is φ = 19559232.

The previous prime is 75545053. The next prime is 75545089. The reversal of 75545064 is 46054557.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 59 ways as a sum of consecutive naturals, for example, 3284557 + ... + 3284579.

It is an arithmetic number, because the mean of its divisors is an integer number (1092390).

Almost surely, 2^75545064 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 75545064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131086800).

75545064 is an abundant number, since it is smaller than the sum of its proper divisors (186628536).

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

75545064 is a wasteful number, since it uses less digits than its factorization.

75545064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 75545064 is about 8691.6663534676. Note that the first 3 decimals coincide. The cubic root of 75545064 is about 422.7354783637.

The spelling of 75545064 in words is "seventy-five million, five hundred forty-five thousand, sixty-four".