172452371 has 8 divisors (see below), whose sum is σ = 212249184. Its totient is φ = 136445760.

The previous prime is 172452361. The next prime is 172452373. The reversal of 172452371 is 173254271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172452371 - 2²² = 168258067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172452373) 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, 947450 + ... + 947631.

It is an arithmetic number, because the mean of its divisors is an integer number (26531148).

Almost surely, 2^172452371 is an apocalyptic number.

172452371 is a deficient number, since it is larger than the sum of its proper divisors (39796813).

172452371 is a wasteful number, since it uses less digits than its factorization.

172452371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895101.

The product of its digits is 11760, while the sum is 32.

The square root of 172452371 is about 13132.1122063437. The cubic root of 172452371 is about 556.6169021373.

The spelling of 172452371 in words is "one hundred seventy-two million, four hundred fifty-two thousand, three hundred seventy-one".