70049878 has 16 divisors (see below), whose sum is σ = 106858656. Its totient is φ = 34433280.

The previous prime is 70049873. The next prime is 70049879. The reversal of 70049878 is 87894007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70049873) 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, 95200 + ... + 95932.

It is an arithmetic number, because the mean of its divisors is an integer number (6678666).

Almost surely, 2^70049878 is an apocalyptic number.

70049878 is a deficient number, since it is larger than the sum of its proper divisors (36808778).

70049878 is a wasteful number, since it uses less digits than its factorization.

70049878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 70049878 is about 8369.5805151752. The cubic root of 70049878 is about 412.2263931541.

The spelling of 70049878 in words is "seventy million, forty-nine thousand, eight hundred seventy-eight".