685062830 has 8 divisors (see below), whose sum is σ = 1233113112. Its totient is φ = 274025128.

The previous prime is 685062823. The next prime is 685062857. The reversal of 685062830 is 38260586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×685062830² = 938622162095217800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34253132 + ... + 34253151.

It is an arithmetic number, because the mean of its divisors is an integer number (154139139).

Almost surely, 2^685062830 is an apocalyptic number.

685062830 is a deficient number, since it is larger than the sum of its proper divisors (548050282).

685062830 is a wasteful number, since it uses less digits than its factorization.

685062830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68506290.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 685062830 is about 26173.7049345331. The cubic root of 685062830 is about 881.5429327794.

The spelling of 685062830 in words is "six hundred eighty-five million, sixty-two thousand, eight hundred thirty".