172372798 has 16 divisors (see below), whose sum is σ = 278890416. Its totient is φ = 79430400.

The previous prime is 172372793. The next prime is 172372817. The reversal of 172372798 is 897273271.

It is a happy number.

172372798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172372793) 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, 12573 + ... + 22423.

It is an arithmetic number, because the mean of its divisors is an integer number (17430651).

Almost surely, 2^172372798 is an apocalyptic number.

172372798 is a deficient number, since it is larger than the sum of its proper divisors (106517618).

172372798 is a wasteful number, since it uses less digits than its factorization.

172372798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539.

The product of its digits is 296352, while the sum is 46.

The square root of 172372798 is about 13129.0821461365. The cubic root of 172372798 is about 556.5312775470.

The spelling of 172372798 in words is "one hundred seventy-two million, three hundred seventy-two thousand, seven hundred ninety-eight".