706680051 has 24 divisors (see below), whose sum is σ = 1183644672. Its totient is φ = 367105200.

The previous prime is 706680047. The next prime is 706680067. The reversal of 706680051 is 150086607.

It is not a de Polignac number, because 706680051 - 2² = 706680047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 706679994 and 706680021.

It is not an unprimeable number, because it can be changed into a prime (706680041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136515 + ... + 141596.

It is an arithmetic number, because the mean of its divisors is an integer number (49318528).

Almost surely, 2^706680051 is an apocalyptic number.

706680051 is a deficient number, since it is larger than the sum of its proper divisors (476964621).

706680051 is a wasteful number, since it uses less digits than its factorization.

706680051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278143 (or 278132 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 706680051 is about 26583.4544594942. The cubic root of 706680051 is about 890.7194666286.

The spelling of 706680051 in words is "seven hundred six million, six hundred eighty thousand, fifty-one".