270997478 has 4 divisors (see below), whose sum is σ = 406496220. Its totient is φ = 135498738.

The previous prime is 270997471. The next prime is 270997499. The reversal of 270997478 is 874799072.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270997471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67749368 + ... + 67749371.

It is an arithmetic number, because the mean of its divisors is an integer number (101624055).

Almost surely, 2^270997478 is an apocalyptic number.

270997478 is a deficient number, since it is larger than the sum of its proper divisors (135498742).

270997478 is a wasteful number, since it uses less digits than its factorization.

270997478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135498741.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 270997478 is about 16462.0010326813. The cubic root of 270997478 is about 647.1253552418.

The spelling of 270997478 in words is "two hundred seventy million, nine hundred ninety-seven thousand, four hundred seventy-eight".