708867840 has 144 divisors (see below), whose sum is σ = 2274628608. Its totient is φ = 188141568.

The previous prime is 708867821. The next prime is 708867847. The reversal of 708867840 is 48768807.

It is a super-2 number, since 2×708867840² = 1004987229172531200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 708867840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708867847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409029 + ... + 1409531.

It is an arithmetic number, because the mean of its divisors is an integer number (15796032).

Almost surely, 2^708867840 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 708867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137314304).

708867840 is an abundant number, since it is smaller than the sum of its proper divisors (1565760768).

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

708867840 is a wasteful number, since it uses less digits than its factorization.

708867840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 708867840 is about 26624.5721092377. The cubic root of 708867840 is about 891.6377033517.

The spelling of 708867840 in words is "seven hundred eight million, eight hundred sixty-seven thousand, eight hundred forty".