170942340 has 48 divisors (see below), whose sum is σ = 479481408. Its totient is φ = 45504384.

The previous prime is 170942323. The next prime is 170942347. The reversal of 170942340 is 43249071.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 170942298 and 170942307.

It is not an unprimeable number, because it can be changed into a prime (170942347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36999 + ... + 41361.

It is an arithmetic number, because the mean of its divisors is an integer number (9989196).

Almost surely, 2^170942340 is an apocalyptic number.

170942340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170942340 is an abundant number, since it is smaller than the sum of its proper divisors (308539068).

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

170942340 is a wasteful number, since it uses less digits than its factorization.

170942340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 170942340 is about 13074.4919595371. The cubic root of 170942340 is about 554.9875169662.

The spelling of 170942340 in words is "one hundred seventy million, nine hundred forty-two thousand, three hundred forty".