172841307 has 16 divisors (see below), whose sum is σ = 234740352. Its totient is φ = 113097600.

The previous prime is 172841303. The next prime is 172841327. The reversal of 172841307 is 703148271.

It is a happy number.

It is not a de Polignac number, because 172841307 - 2² = 172841303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172841303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60307 + ... + 63107.

It is an arithmetic number, because the mean of its divisors is an integer number (14671272).

Almost surely, 2^172841307 is an apocalyptic number.

172841307 is a deficient number, since it is larger than the sum of its proper divisors (61899045).

172841307 is a wasteful number, since it uses less digits than its factorization.

172841307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 172841307 is about 13146.9124512183. The cubic root of 172841307 is about 557.0350384675.

Adding to 172841307 its reverse (703148271), we get a palindrome (875989578).

The spelling of 172841307 in words is "one hundred seventy-two million, eight hundred forty-one thousand, three hundred seven".