172402560 has 256 divisors, whose sum is σ = 666835200. Its totient is φ = 41748480.

The previous prime is 172402541. The next prime is 172402577. The reversal of 172402560 is 65204271.

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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189627 + ... + 190533.

It is an arithmetic number, because the mean of its divisors is an integer number (2604825).

Almost surely, 2^172402560 is an apocalyptic number.

172402560 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 172402560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333417600).

172402560 is an abundant number, since it is smaller than the sum of its proper divisors (494432640).

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

172402560 is a wasteful number, since it uses less digits than its factorization.

172402560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 172402560 is about 13130.2155351693. The cubic root of 172402560 is about 556.5633060551.

It can be divided in two parts, 1 and 72402560, that added together give a triangular number (72402561 = T₁₂₀₃₃).

The spelling of 172402560 in words is "one hundred seventy-two million, four hundred two thousand, five hundred sixty".