708429440 has 256 divisors, whose sum is σ = 1982880000. Its totient is φ = 240058368.

The previous prime is 708429437. The next prime is 708429443. The reversal of 708429440 is 44924807.

It is an interprime number because it is at equal distance from previous prime (708429437) and next prime (708429443).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 708429394 and 708429403.

It is not an unprimeable number, because it can be changed into a prime (708429443) 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, 4754486 + ... + 4754634.

It is an arithmetic number, because the mean of its divisors is an integer number (7745625).

Almost surely, 2^708429440 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 708429440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991440000).

708429440 is an abundant number, since it is smaller than the sum of its proper divisors (1274450560).

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

708429440 is a wasteful number, since it uses less digits than its factorization.

708429440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 708429440 is about 26616.3378397555. The cubic root of 708429440 is about 891.4538540464.

The spelling of 708429440 in words is "seven hundred eight million, four hundred twenty-nine thousand, four hundred forty".