781013352 has 96 divisors (see below), whose sum is σ = 2277227520. Its totient is φ = 222566400.

The previous prime is 781013347. The next prime is 781013377. The reversal of 781013352 is 253310187.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 677977 + ... + 679127.

It is an arithmetic number, because the mean of its divisors is an integer number (23721120).

Almost surely, 2^781013352 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 781013352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138613760).

781013352 is an abundant number, since it is smaller than the sum of its proper divisors (1496214168).

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

781013352 is a wasteful number, since it uses less digits than its factorization.

781013352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 781013352 is about 27946.6161100052. The cubic root of 781013352 is about 920.9148712757.

The spelling of 781013352 in words is "seven hundred eighty-one million, thirteen thousand, three hundred fifty-two".