472172626 has 4 divisors (see below), whose sum is σ = 708258942. Its totient is φ = 236086312.

The previous prime is 472172593. The next prime is 472172653. The reversal of 472172626 is 626271274.

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

It can be written as a sum of positive squares in only one way, i.e., 355511025 + 116661601 = 18855^2 + 10801^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118043155 + ... + 118043158.

Almost surely, 2^472172626 is an apocalyptic number.

472172626 is a deficient number, since it is larger than the sum of its proper divisors (236086316).

472172626 is a wasteful number, since it uses less digits than its factorization.

472172626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236086315.

The product of its digits is 56448, while the sum is 37.

The square root of 472172626 is about 21729.5334970634. The cubic root of 472172626 is about 778.6941914356.

The spelling of 472172626 in words is "four hundred seventy-two million, one hundred seventy-two thousand, six hundred twenty-six".