172416798 has 12 divisors (see below), whose sum is σ = 373569768. Its totient is φ = 57472260.

The previous prime is 172416793. The next prime is 172416841. The reversal of 172416798 is 897614271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172416793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4789338 + ... + 4789373.

It is an arithmetic number, because the mean of its divisors is an integer number (31130814).

Almost surely, 2^172416798 is an apocalyptic number.

172416798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

172416798 is an abundant number, since it is smaller than the sum of its proper divisors (201152970).

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

172416798 is a wasteful number, since it uses less digits than its factorization.

172416798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578719 (or 9578716 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 172416798 is about 13130.7577085254. The cubic root of 172416798 is about 556.5786270384.

The spelling of 172416798 in words is "one hundred seventy-two million, four hundred sixteen thousand, seven hundred ninety-eight".