755243520 has 160 divisors (see below), whose sum is σ = 2498411520. Its totient is φ = 194396160.

The previous prime is 755243509. The next prime is 755243609. The reversal of 755243520 is 25342557.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221025 + ... + 224415.

It is an arithmetic number, because the mean of its divisors is an integer number (15615072).

Almost surely, 2^755243520 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 755243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249205760).

755243520 is an abundant number, since it is smaller than the sum of its proper divisors (1743168000).

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

755243520 is a wasteful number, since it uses less digits than its factorization.

755243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3430 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 755243520 is about 27481.6942709142. The cubic root of 755243520 is about 910.6727384616.

The spelling of 755243520 in words is "seven hundred fifty-five million, two hundred forty-three thousand, five hundred twenty".