708544512 has 144 divisors (see below), whose sum is σ = 2204567820. Its totient is φ = 217939968.

The previous prime is 708544483. The next prime is 708544517. The reversal of 708544512 is 215445807.

It can be written as a sum of positive squares in 2 ways, for example, as 618218496 + 90326016 = 24864^2 + 9504^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (708544517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238138 + ... + 241094.

Almost surely, 2^708544512 is an apocalyptic number.

708544512 is a gapful number since it is divisible by the number (72) 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 708544512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102283910).

708544512 is an abundant number, since it is smaller than the sum of its proper divisors (1496023308).

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

708544512 is a wasteful number, since it uses less digits than its factorization.

708544512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 708544512 is about 26618.4994317862. The cubic root of 708544512 is about 891.5021184740.

The spelling of 708544512 in words is "seven hundred eight million, five hundred forty-four thousand, five hundred twelve".