172927425 has 48 divisors (see below), whose sum is σ = 313908480. Its totient is φ = 83304000.

The previous prime is 172927397. The next prime is 172927441. The reversal of 172927425 is 524729271.

It is not a de Polignac number, because 172927425 - 2¹² = 172923329 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 147090 + ... + 148260.

It is an arithmetic number, because the mean of its divisors is an integer number (6539760).

Almost surely, 2^172927425 is an apocalyptic number.

172927425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172927425 is a deficient number, since it is larger than the sum of its proper divisors (140981055).

172927425 is a wasteful number, since it uses less digits than its factorization.

172927425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1369 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 172927425 is about 13150.1872610241. The cubic root of 172927425 is about 557.1275371480.

The spelling of 172927425 in words is "one hundred seventy-two million, nine hundred twenty-seven thousand, four hundred twenty-five".