708745506 has 96 divisors (see below), whose sum is σ = 1731362688. Its totient is φ = 192487680.

The previous prime is 708745493. The next prime is 708745517. The reversal of 708745506 is 605547807.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1899936 + ... + 1900308.

It is an arithmetic number, because the mean of its divisors is an integer number (18035028).

Almost surely, 2^708745506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708745506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865681344).

708745506 is an abundant number, since it is smaller than the sum of its proper divisors (1022617182).

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

708745506 is a wasteful number, since it uses less digits than its factorization.

708745506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 708745506 is about 26622.2746210762. The cubic root of 708745506 is about 891.5864084671.

The spelling of 708745506 in words is "seven hundred eight million, seven hundred forty-five thousand, five hundred six".