172994694 has 16 divisors (see below), whose sum is σ = 357150720. Its totient is φ = 55804680.

The previous prime is 172994693. The next prime is 172994713. The reversal of 172994694 is 496499271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172994693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464854 + ... + 465225.

It is an arithmetic number, because the mean of its divisors is an integer number (22321920).

Almost surely, 2^172994694 is an apocalyptic number.

172994694 is an abundant number, since it is smaller than the sum of its proper divisors (184156026).

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

172994694 is a wasteful number, since it uses less digits than its factorization.

172994694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930115.

The product of its digits is 979776, while the sum is 51.

The square root of 172994694 is about 13152.7447325644. The cubic root of 172994694 is about 557.1997689022.

The spelling of 172994694 in words is "one hundred seventy-two million, nine hundred ninety-four thousand, six hundred ninety-four".