752398820 has 12 divisors (see below), whose sum is σ = 1580037564. Its totient is φ = 300959520.

The previous prime is 752398817. The next prime is 752398853. The reversal of 752398820 is 28893257.

752398820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 431559076 + 320839744 = 20774^2 + 17912^2 .

It is a super-2 number, since 2×752398820² = 1132207968674784800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18809951 + ... + 18809990.

It is an arithmetic number, because the mean of its divisors is an integer number (131669797).

Almost surely, 2^752398820 is an apocalyptic number.

It is an amenable number.

752398820 is an abundant number, since it is smaller than the sum of its proper divisors (827638744).

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

752398820 is a wasteful number, since it uses less digits than its factorization.

752398820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37619950 (or 37619948 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 752398820 is about 27429.8891722150. The cubic root of 752398820 is about 909.5279200172.

The spelling of 752398820 in words is "seven hundred fifty-two million, three hundred ninety-eight thousand, eight hundred twenty".