270402 has 32 divisors (see below), whose sum is σ = 627264. Its totient is φ = 76800.

The previous prime is 270379. The next prime is 270407. The reversal of 270402 is 204072.

It is not an unprimeable number, because it can be changed into a prime (270407) by changing a digit.

270402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (19602).

2²⁷⁰⁴⁰² is an apocalyptic number.

270402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 270402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313632).

270402 is an abundant number, since it is smaller than the sum of its proper divisors (356862).

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

270402 is a wasteful number, since it uses less digits than its factorization.

270402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 270402 is about 520.0019230734. The cubic root of 270402 is about 64.6651019331.

Adding to 270402 its reverse (204072), we get a palindrome (474474).

The spelling of 270402 in words is "two hundred seventy thousand, four hundred two", and thus it is an iban number.