270421402 has 4 divisors (see below), whose sum is σ = 405632106. Its totient is φ = 135210700.

The previous prime is 270421391. The next prime is 270421451. The reversal of 270421402 is 204124072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 270306481 + 114921 = 16441^2 + 339^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67605349 + ... + 67605352.

Almost surely, 2^270421402 is an apocalyptic number.

270421402 is a deficient number, since it is larger than the sum of its proper divisors (135210704).

270421402 is a wasteful number, since it uses less digits than its factorization.

270421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135210703.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 270421402 is about 16444.4945802539. The cubic root of 270421402 is about 646.6664852210. Note that the first 3 decimals are identical.

Adding to 270421402 its reverse (204124072), we get a palindrome (474545474).

The spelling of 270421402 in words is "two hundred seventy million, four hundred twenty-one thousand, four hundred two".