70434278 has 4 divisors (see below), whose sum is σ = 105651420. Its totient is φ = 35217138.

The previous prime is 70434277. The next prime is 70434283. The reversal of 70434278 is 87243407.

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 (70434277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17608568 + ... + 17608571.

It is an arithmetic number, because the mean of its divisors is an integer number (26412855).

Almost surely, 2^70434278 is an apocalyptic number.

70434278 is a deficient number, since it is larger than the sum of its proper divisors (35217142).

70434278 is a wasteful number, since it uses less digits than its factorization.

70434278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35217141.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 70434278 is about 8392.5132111901. The cubic root of 70434278 is about 412.9790514030.

The spelling of 70434278 in words is "seventy million, four hundred thirty-four thousand, two hundred seventy-eight".