172946463 has 4 divisors (see below), whose sum is σ = 230595288. Its totient is φ = 115297640.

The previous prime is 172946447. The next prime is 172946503. The reversal of 172946463 is 364649271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172946463 - 2⁴ = 172946447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172946413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28824408 + ... + 28824413.

It is an arithmetic number, because the mean of its divisors is an integer number (57648822).

Almost surely, 2^172946463 is an apocalyptic number.

172946463 is a deficient number, since it is larger than the sum of its proper divisors (57648825).

172946463 is an equidigital number, since it uses as much as digits as its factorization.

172946463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57648824.

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

The square root of 172946463 is about 13150.9111091209. The cubic root of 172946463 is about 557.1479815721.

The spelling of 172946463 in words is "one hundred seventy-two million, nine hundred forty-six thousand, four hundred sixty-three".