172364946 has 32 divisors (see below), whose sum is σ = 372472128. Its totient is φ = 52860480.

The previous prime is 172364911. The next prime is 172364947. The reversal of 172364946 is 649463271.

It is a junction number, because it is equal to n+sod(n) for n = 172364898 and 172364907.

It is not an unprimeable number, because it can be changed into a prime (172364947) 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, 21241 + ... + 28211.

It is an arithmetic number, because the mean of its divisors is an integer number (11639754).

Almost surely, 2^172364946 is an apocalyptic number.

172364946 is an abundant number, since it is smaller than the sum of its proper divisors (200107182).

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

172364946 is a wasteful number, since it uses less digits than its factorization.

172364946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306.

The product of its digits is 217728, while the sum is 42.

The square root of 172364946 is about 13128.7831119263. The cubic root of 172364946 is about 556.5228269678.

The spelling of 172364946 in words is "one hundred seventy-two million, three hundred sixty-four thousand, nine hundred forty-six".