172560073 has 8 divisors (see below), whose sum is σ = 200554560. Its totient is φ = 145401360.

The previous prime is 172560023. The next prime is 172560079. The reversal of 172560073 is 370065271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172560073 - 2¹³ = 172551881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172560079) 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, 208498 + ... + 209323.

It is an arithmetic number, because the mean of its divisors is an integer number (25069320).

Almost surely, 2^172560073 is an apocalyptic number.

It is an amenable number.

172560073 is a deficient number, since it is larger than the sum of its proper divisors (27994487).

172560073 is an equidigital number, since it uses as much as digits as its factorization.

172560073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417887.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 172560073 is about 13136.2122775174. The cubic root of 172560073 is about 556.7327530195.

The spelling of 172560073 in words is "one hundred seventy-two million, five hundred sixty thousand, seventy-three".