172462240 has 48 divisors (see below), whose sum is σ = 428893920. Its totient is φ = 65352960.

The previous prime is 172462201. The next prime is 172462243. The reversal of 172462240 is 42264271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172462199 and 172462208.

It is not an unprimeable number, because it can be changed into a prime (172462243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25326 + ... + 31405.

It is an arithmetic number, because the mean of its divisors is an integer number (8935290).

Almost surely, 2^172462240 is an apocalyptic number.

172462240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172462240 is an abundant number, since it is smaller than the sum of its proper divisors (256431680).

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

172462240 is a wasteful number, since it uses less digits than its factorization.

172462240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56765 (or 56757 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 172462240 is about 13132.4879592559. The cubic root of 172462240 is about 556.6275198466.

The spelling of 172462240 in words is "one hundred seventy-two million, four hundred sixty-two thousand, two hundred forty".