75523072 has 44 divisors (see below), whose sum is σ = 152395056. Its totient is φ = 37406720.

The previous prime is 75523069. The next prime is 75523109. The reversal of 75523072 is 27032557.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133863 + ... + 134425.

It is an arithmetic number, because the mean of its divisors is an integer number (3463524).

Almost surely, 2^75523072 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 75523072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76197528).

75523072 is an abundant number, since it is smaller than the sum of its proper divisors (76871984).

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

75523072 is a wasteful number, since it uses less digits than its factorization.

75523072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 75523072 is about 8690.4011414894. The cubic root of 75523072 is about 422.6944533983.

The spelling of 75523072 in words is "seventy-five million, five hundred twenty-three thousand, seventy-two".