706697280 has 168 divisors, whose sum is σ = 2472537600. Its totient is φ = 185213952.

The previous prime is 706697263. The next prime is 706697401. The reversal of 706697280 is 82796607.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167841 + ... + 171999.

Almost surely, 2^706697280 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 706697280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236268800).

706697280 is an abundant number, since it is smaller than the sum of its proper divisors (1765840320).

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

706697280 is a wasteful number, since it uses less digits than its factorization.

706697280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 706697280 is about 26583.7785124688. The cubic root of 706697280 is about 890.7267052089.

The spelling of 706697280 in words is "seven hundred six million, six hundred ninety-seven thousand, two hundred eighty".