172040316 has 48 divisors (see below), whose sum is σ = 459438336. Its totient is φ = 49083264.

The previous prime is 172040311. The next prime is 172040329. The reversal of 172040316 is 613040271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172040311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91215 + ... + 93081.

It is an arithmetic number, because the mean of its divisors is an integer number (9571632).

Almost surely, 2^172040316 is an apocalyptic number.

It is an amenable number.

172040316 is an abundant number, since it is smaller than the sum of its proper divisors (287398020).

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

172040316 is a wasteful number, since it uses less digits than its factorization.

172040316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 172040316 is about 13116.4139916366. The cubic root of 172040316 is about 556.1732246686.

Adding to 172040316 its reverse (613040271), we get a palindrome (785080587).

The spelling of 172040316 in words is "one hundred seventy-two million, forty thousand, three hundred sixteen".