172340232 has 16 divisors (see below), whose sum is σ = 430850640. Its totient is φ = 57446736.

The previous prime is 172340221. The next prime is 172340249. The reversal of 172340232 is 232043271.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 7180843 = 172340232 / (1 + 7 + 2 + 3 + 4 + 0 + 2 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590398 + ... + 3590445.

It is an arithmetic number, because the mean of its divisors is an integer number (26928165).

Almost surely, 2^172340232 is an apocalyptic number.

172340232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172340232 is an abundant number, since it is smaller than the sum of its proper divisors (258510408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172340232 is a wasteful number, since it uses less digits than its factorization.

172340232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180852 (or 7180848 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 172340232 is about 13127.8418637642. The cubic root of 172340232 is about 556.4962272775.

The spelling of 172340232 in words is "one hundred seventy-two million, three hundred forty thousand, two hundred thirty-two".