172487084 has 24 divisors (see below), whose sum is σ = 376336128. Its totient is φ = 67202640.

The previous prime is 172487071. The next prime is 172487087. The reversal of 172487084 is 480784271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (172487087) 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, 279704 + ... + 280319.

It is an arithmetic number, because the mean of its divisors is an integer number (15680672).

Almost surely, 2^172487084 is an apocalyptic number.

172487084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172487084 is an abundant number, since it is smaller than the sum of its proper divisors (203849044).

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

172487084 is a wasteful number, since it uses less digits than its factorization.

172487084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560045 (or 560043 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 172487084 is about 13133.4338236426. The cubic root of 172487084 is about 556.6542468375.

The spelling of 172487084 in words is "one hundred seventy-two million, four hundred eighty-seven thousand, eighty-four".