270078640 has 40 divisors (see below), whose sum is σ = 676237968. Its totient is φ = 99720960.

The previous prime is 270078637. The next prime is 270078671. The reversal of 270078640 is 46870072.

270078640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 270078596 and 270078605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128806 + ... + 130885.

Almost surely, 2^270078640 is an apocalyptic number.

270078640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270078640 is an abundant number, since it is smaller than the sum of its proper divisors (406159328).

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

270078640 is a wasteful number, since it uses less digits than its factorization.

270078640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259717 (or 259711 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 270078640 is about 16434.0694899346. The cubic root of 270078640 is about 646.3931508236.

The spelling of 270078640 in words is "two hundred seventy million, seventy-eight thousand, six hundred forty".