706736346778 has 64 divisors (see below), whose sum is σ = 1328412008448. Its totient is φ = 273952653120.

The previous prime is 706736346769. The next prime is 706736346821. The reversal of 706736346778 is 877643637607.

It is a super-2 number, since 2×706736346778² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68232376 + ... + 68242732.

It is an arithmetic number, because the mean of its divisors is an integer number (20756437632).

Almost surely, 2^706736346778 is an apocalyptic number.

706736346778 is a deficient number, since it is larger than the sum of its proper divisors (621675661670).

706736346778 is a wasteful number, since it uses less digits than its factorization.

706736346778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12587.

The product of its (nonzero) digits is 149361408, while the sum is 64.

The spelling of 706736346778 in words is "seven hundred six billion, seven hundred thirty-six million, three hundred forty-six thousand, seven hundred seventy-eight".