709378880 has 224 divisors, whose sum is σ = 2062886400. Its totient is φ = 231813120.

The previous prime is 709378877. The next prime is 709378883. The reversal of 709378880 is 88873907.

It is an interprime number because it is at equal distance from previous prime (709378877) and next prime (709378883).

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709378883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2524340 + ... + 2524620.

Almost surely, 2^709378880 is an apocalyptic number.

709378880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709378880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031443200).

709378880 is an abundant number, since it is smaller than the sum of its proper divisors (1353507520).

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

709378880 is a wasteful number, since it uses less digits than its factorization.

709378880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 709378880 is about 26634.1675296976. The cubic root of 709378880 is about 891.8519196229.

The spelling of 709378880 in words is "seven hundred nine million, three hundred seventy-eight thousand, eight hundred eighty".