830686742 has 32 divisors (see below), whose sum is σ = 1363848192. Its totient is φ = 377924224.

The previous prime is 830686739. The next prime is 830686777. The reversal of 830686742 is 247686038.

It is a junction number, because it is equal to n+sod(n) for n = 830686693 and 830686702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129503 + ... + 135765.

It is an arithmetic number, because the mean of its divisors is an integer number (42620256).

Almost surely, 2^830686742 is an apocalyptic number.

830686742 is a deficient number, since it is larger than the sum of its proper divisors (533161450).

830686742 is a wasteful number, since it uses less digits than its factorization.

830686742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 830686742 is about 28821.6366988414. The cubic root of 830686742 is about 940.0387572672.

The spelling of 830686742 in words is "eight hundred thirty million, six hundred eighty-six thousand, seven hundred forty-two".