685467342 has 24 divisors (see below), whose sum is σ = 1697348016. Its totient is φ = 195847776.

The previous prime is 685467337. The next prime is 685467361. The reversal of 685467342 is 243764586.

685467342 is a `hidden beast` number, since 68 + 546 + 7 + 3 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2719983 + ... + 2720234.

It is an arithmetic number, because the mean of its divisors is an integer number (70722834).

Almost surely, 2^685467342 is an apocalyptic number.

685467342 is an abundant number, since it is smaller than the sum of its proper divisors (1011880674).

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

685467342 is a wasteful number, since it uses less digits than its factorization.

685467342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440232 (or 5440229 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 685467342 is about 26181.4312442998. The cubic root of 685467342 is about 881.7164081238.

The spelling of 685467342 in words is "six hundred eighty-five million, four hundred sixty-seven thousand, three hundred forty-two".