278070 has 64 divisors (see below), whose sum is σ = 774144. Its totient is φ = 63360.

The previous prime is 278063. The next prime is 278071. The reversal of 278070 is 70872.

278070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 6 and base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 278070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8955 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2²⁷⁸⁰⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 278070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387072).

278070 is an abundant number, since it is smaller than the sum of its proper divisors (496074).

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

278070 is a wasteful number, since it uses less digits than its factorization.

278070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 278070 is about 527.3234301641. The cubic root of 278070 is about 65.2706662273.

It can be divided in two parts, 2780 and 70, that added together give a triangular number (2850 = T₇₅).

The spelling of 278070 in words is "two hundred seventy-eight thousand, seventy".