172233470 has 16 divisors (see below), whose sum is σ = 312765840. Its totient is φ = 68283264.

The previous prime is 172233403. The next prime is 172233473. The reversal of 172233470 is 74332271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172233473) 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, 75080 + ... + 77339.

It is an arithmetic number, because the mean of its divisors is an integer number (19547865).

Almost surely, 2^172233470 is an apocalyptic number.

172233470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172233470 is a deficient number, since it is larger than the sum of its proper divisors (140532370).

172233470 is a wasteful number, since it uses less digits than its factorization.

172233470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152539.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 172233470 is about 13123.7749904515. The cubic root of 172233470 is about 556.3812900549.

The spelling of 172233470 in words is "one hundred seventy-two million, two hundred thirty-three thousand, four hundred seventy".