172083740 has 24 divisors (see below), whose sum is σ = 362199600. Its totient is φ = 68676608.

The previous prime is 172083733. The next prime is 172083763. The reversal of 172083740 is 47380271.

It is a happy number.

It is a super-2 number, since 2×172083740² = 59225627144775200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172083697 and 172083706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (15091650).

Almost surely, 2^172083740 is an apocalyptic number.

172083740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172083740 is an abundant number, since it is smaller than the sum of its proper divisors (190115860).

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

172083740 is a wasteful number, since it uses less digits than its factorization.

172083740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19621 (or 19619 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 172083740 is about 13118.0692176860. The cubic root of 172083740 is about 556.2200145432.

The spelling of 172083740 in words is "one hundred seventy-two million, eighty-three thousand, seven hundred forty".