70055078 has 4 divisors (see below), whose sum is σ = 105082620. Its totient is φ = 35027538.

The previous prime is 70055077. The next prime is 70055093. The reversal of 70055078 is 87055007.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70055077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17513768 + ... + 17513771.

It is an arithmetic number, because the mean of its divisors is an integer number (26270655).

Almost surely, 2^70055078 is an apocalyptic number.

70055078 is a deficient number, since it is larger than the sum of its proper divisors (35027542).

70055078 is a wasteful number, since it uses less digits than its factorization.

70055078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35027541.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 70055078 is about 8369.8911581932. The cubic root of 70055078 is about 412.2365931442.

The spelling of 70055078 in words is "seventy million, fifty-five thousand, seventy-eight".