752945128 has 16 divisors (see below), whose sum is σ = 1520370180. Its totient is φ = 347513088.

The previous prime is 752945099. The next prime is 752945159. The reversal of 752945128 is 821549257.

It can be written as a sum of positive squares in 2 ways, for example, as 718347204 + 34597924 = 26802^2 + 5882^2 .

It is a super-3 number, since 3×752945128³ (a number of 28 digits) contains 333 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, 3619825 + ... + 3620032.

Almost surely, 2^752945128 is an apocalyptic number.

It is an amenable number.

752945128 is an abundant number, since it is smaller than the sum of its proper divisors (767425052).

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

752945128 is a wasteful number, since it uses less digits than its factorization.

752945128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239876 (or 7239872 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 752945128 is about 27439.8456263879. The cubic root of 752945128 is about 909.7479992952.

The spelling of 752945128 in words is "seven hundred fifty-two million, nine hundred forty-five thousand, one hundred twenty-eight".