75064520 has 64 divisors (see below), whose sum is σ = 181958400. Its totient is φ = 27765760.

The previous prime is 75064519. The next prime is 75064523. The reversal of 75064520 is 2546057.

It is not an unprimeable number, because it can be changed into a prime (75064523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39185 + ... + 41055.

It is an arithmetic number, because the mean of its divisors is an integer number (2843100).

Almost surely, 2^75064520 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 75064520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90979200).

75064520 is an abundant number, since it is smaller than the sum of its proper divisors (106893880).

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

75064520 is a wasteful number, since it uses less digits than its factorization.

75064520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 75064520 is about 8663.9783009885. The cubic root of 75064520 is about 421.8372274915.

The spelling of 75064520 in words is "seventy-five million, sixty-four thousand, five hundred twenty".