873666342 has 24 divisors (see below), whose sum is σ = 1910639016. Its totient is φ = 288499776.

The previous prime is 873666323. The next prime is 873666347. The reversal of 873666342 is 243666378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873666347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224883 + ... + 228734.

It is an arithmetic number, because the mean of its divisors is an integer number (79609959).

Almost surely, 2^873666342 is an apocalyptic number.

873666342 is an abundant number, since it is smaller than the sum of its proper divisors (1036972674).

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

873666342 is a wasteful number, since it uses less digits than its factorization.

873666342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453732 (or 453729 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 873666342 is about 29557.8473844088. The cubic root of 873666342 is about 955.9794021986.

It can be divided in two parts, 8736 and 66342, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 873666342 in words is "eight hundred seventy-three million, six hundred sixty-six thousand, three hundred forty-two".