70878276 has 144 divisors (see below), whose sum is σ = 217305088. Its totient is φ = 19051200.

The previous prime is 70878271. The next prime is 70878281. The reversal of 70878276 is 67287807.

70878276 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (70878271) and next prime (70878281).

70878276 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (70878271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335811 + ... + 336021.

Almost surely, 2^70878276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70878276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108652544).

70878276 is an abundant number, since it is smaller than the sum of its proper divisors (146426812).

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

70878276 is a wasteful number, since it uses less digits than its factorization.

70878276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 70878276 is about 8418.9236841772. The cubic root of 70878276 is about 413.8450025392.

The spelling of 70878276 in words is "seventy million, eight hundred seventy-eight thousand, two hundred seventy-six".