70878347 has 8 divisors (see below), whose sum is σ = 73035696. Its totient is φ = 68733792.

The previous prime is 70878323. The next prime is 70878359. The reversal of 70878347 is 74387807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70878347 - 2⁸ = 70878091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70878298 and 70878307.

It is not an unprimeable number, because it can be changed into a prime (70878047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8708 + ... + 14750.

It is an arithmetic number, because the mean of its divisors is an integer number (9129462).

Almost surely, 2^70878347 is an apocalyptic number.

70878347 is a deficient number, since it is larger than the sum of its proper divisors (2157349).

70878347 is a wasteful number, since it uses less digits than its factorization.

70878347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 70878347 is about 8418.9279008672. The cubic root of 70878347 is about 413.8451407244.

The spelling of 70878347 in words is "seventy million, eight hundred seventy-eight thousand, three hundred forty-seven".