4528734720 has 160 divisors (see below), whose sum is σ = 15329875968. Its totient is φ = 1136590848.

The previous prime is 4528734667. The next prime is 4528734761. The reversal of 4528734720 is 274378254.

It is a happy number.

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

It is a super-3 number, since 3×4528734720³ (a number of 30 digits) contains 333 as substring.

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, 113217 + ... + 147903.

Almost surely, 2^4528734720 is an apocalyptic number.

4528734720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4528734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7664937984).

4528734720 is an abundant number, since it is smaller than the sum of its proper divisors (10801141248).

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

4528734720 is a wasteful number, since it uses less digits than its factorization.

4528734720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34730 (or 34714 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 4528734720 is about 67295.8744649328. The cubic root of 4528734720 is about 1654.4702435796.

The spelling of 4528734720 in words is "four billion, five hundred twenty-eight million, seven hundred thirty-four thousand, seven hundred twenty".