270078642 has 12 divisors (see below), whose sum is σ = 585170430. Its totient is φ = 90026208.

The previous prime is 270078637. The next prime is 270078671. The reversal of 270078642 is 246870072.

270078642 is a `hidden beast` number, since 2 + 7 + 0 + 0 + 7 + 8 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 267616881 + 2461761 = 16359^2 + 1569^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 270078597 and 270078606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7502167 + ... + 7502202.

Almost surely, 2^270078642 is an apocalyptic number.

270078642 is an abundant number, since it is smaller than the sum of its proper divisors (315091788).

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

270078642 is a wasteful number, since it uses less digits than its factorization.

270078642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004377 (or 15004374 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 270078642 is about 16434.0695507838. The cubic root of 270078642 is about 646.3931524191.

The spelling of 270078642 in words is "two hundred seventy million, seventy-eight thousand, six hundred forty-two".