70878344 has 8 divisors (see below), whose sum is σ = 132896910. Its totient is φ = 35439168.

The previous prime is 70878323. The next prime is 70878359. The reversal of 70878344 is 44387807.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 23406244 = 6890^2 + 4838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4429889 + ... + 4429904.

Almost surely, 2^70878344 is an apocalyptic number.

It is an amenable number.

70878344 is a deficient number, since it is larger than the sum of its proper divisors (62018566).

70878344 is a wasteful number, since it uses less digits than its factorization.

70878344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8859799 (or 8859795 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 70878344 is about 8418.9277226972. The cubic root of 70878344 is about 413.8451348856.

The spelling of 70878344 in words is "seventy million, eight hundred seventy-eight thousand, three hundred forty-four".