752788969 has 3 divisors (see below), whose sum is σ = 752816407. Its totient is φ = 752761532.

The previous prime is 752788963. The next prime is 752788979. The reversal of 752788969 is 969887257.

The square root of 752788969 is 27437.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 969887257 = 1019 ⋅951803.

It can be written as a sum of positive squares in only one way, i.e., 399800025 + 352988944 = 19995^2 + 18788^2 .

It is not a de Polignac number, because 752788969 - 2³ = 752788961 is a prime.

It is a super-2 number, since 2×752788969² = 1133382463696165922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (752788961) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13719 + ... + 41155.

Almost surely, 2^752788969 is an apocalyptic number.

752788969 is the 27437-th square number.

752788969 is the 13719-th centered octagonal number.

It is an amenable number.

752788969 is a deficient number, since it is larger than the sum of its proper divisors (27438).

752788969 is an frugal number, since it uses more digits than its factorization.

752788969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54874 (or 27437 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The cubic root of 752788969 is about 909.6851017679.

The spelling of 752788969 in words is "seven hundred fifty-two million, seven hundred eighty-eight thousand, nine hundred sixty-nine".