172952340 has 48 divisors (see below), whose sum is σ = 528292800. Its totient is φ = 41927680.

The previous prime is 172952323. The next prime is 172952359. The reversal of 172952340 is 43259271.

It is a super-2 number, since 2×172952340² = 59825023822951200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130365 + ... + 131684.

It is an arithmetic number, because the mean of its divisors is an integer number (11006100).

Almost surely, 2^172952340 is an apocalyptic number.

172952340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172952340 is an abundant number, since it is smaller than the sum of its proper divisors (355340460).

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

172952340 is a wasteful number, since it uses less digits than its factorization.

172952340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262072 (or 262070 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 172952340 is about 13151.1345518172. The cubic root of 172952340 is about 557.1542924299.

The spelling of 172952340 in words is "one hundred seventy-two million, nine hundred fifty-two thousand, three hundred forty".