172447627 has 6 divisors (see below), whose sum is σ = 189550004. Its totient is φ = 156770460.

The previous prime is 172447621. The next prime is 172447633. The reversal of 172447627 is 726744271.

It is an interprime number because it is at equal distance from previous prime (172447621) and next prime (172447633).

It is not a de Polignac number, because 172447627 - 2¹⁵ = 172414859 is a prime.

It is a super-2 number, since 2×172447627² = 59476368115862258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172447627.

It is not an unprimeable number, because it can be changed into a prime (172447621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712473 + ... + 712714.

Almost surely, 2^172447627 is an apocalyptic number.

172447627 is a deficient number, since it is larger than the sum of its proper divisors (17102377).

172447627 is a wasteful number, since it uses less digits than its factorization.

172447627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425209 (or 1425198 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 172447627 is about 13131.9315791699. The cubic root of 172447627 is about 556.6117980908.

The spelling of 172447627 in words is "one hundred seventy-two million, four hundred forty-seven thousand, six hundred twenty-seven".