780252032 has 128 divisors (see below), whose sum is σ = 1835673600. Its totient is φ = 323481600.

The previous prime is 780252013. The next prime is 780252073. The reversal of 780252032 is 230252087.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 780251986 and 780252004.

It is a congruent number.

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, 5167157 + ... + 5167307.

It is an arithmetic number, because the mean of its divisors is an integer number (14341200).

Almost surely, 2^780252032 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 780252032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917836800).

780252032 is an abundant number, since it is smaller than the sum of its proper divisors (1055421568).

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

780252032 is a wasteful number, since it uses less digits than its factorization.

780252032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 780252032 is about 27932.9918197103. The cubic root of 780252032 is about 920.6155426995.

Subtracting from 780252032 its reverse (230252087), we obtain a palindrome (549999945).

The spelling of 780252032 in words is "seven hundred eighty million, two hundred fifty-two thousand, thirty-two".