172014840 has 224 divisors, whose sum is σ = 616189680. Its totient is φ = 43047936.

The previous prime is 172014797. The next prime is 172014859. The reversal of 172014840 is 48410271.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 495547 + ... + 495893.

Almost surely, 2^172014840 is an apocalyptic number.

172014840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172014840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308094840).

172014840 is an abundant number, since it is smaller than the sum of its proper divisors (444174840).

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

172014840 is a wasteful number, since it uses less digits than its factorization.

172014840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 172014840 is about 13115.4428060969. The cubic root of 172014840 is about 556.1457703121.

The spelling of 172014840 in words is "one hundred seventy-two million, fourteen thousand, eight hundred forty".