168073437 has 8 divisors (see below), whose sum is σ = 256111936. Its totient is φ = 96041952.

The previous prime is 168073429. The next prime is 168073439. The reversal of 168073437 is 734370861.

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

It is not a de Polignac number, because 168073437 - 2³ = 168073429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168073395 and 168073404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168073439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001728 + ... + 4001769.

It is an arithmetic number, because the mean of its divisors is an integer number (32013992).

Almost surely, 2^168073437 is an apocalyptic number.

It is an amenable number.

168073437 is a deficient number, since it is larger than the sum of its proper divisors (88038499).

168073437 is an equidigital number, since it uses as much as digits as its factorization.

168073437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003507.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 168073437 is about 12964.3139810790. The cubic root of 168073437 is about 551.8652232129.

The spelling of 168073437 in words is "one hundred sixty-eight million, seventy-three thousand, four hundred thirty-seven".