706683780 has 144 divisors (see below), whose sum is σ = 2377222848. Its totient is φ = 168480000.

The previous prime is 706683767. The next prime is 706683811. The reversal of 706683780 is 87386607.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117855 + ... + 123705.

It is an arithmetic number, because the mean of its divisors is an integer number (16508492).

Almost surely, 2^706683780 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 706683780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188611424).

706683780 is an abundant number, since it is smaller than the sum of its proper divisors (1670539068).

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

706683780 is a wasteful number, since it uses less digits than its factorization.

706683780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 706683780 is about 26583.5245970131. The cubic root of 706683780 is about 890.7210333381.

It can be divided in two parts, 706 and 683780, that added together give a palindrome (684486).

The spelling of 706683780 in words is "seven hundred six million, six hundred eighty-three thousand, seven hundred eighty".