70870934 has 4 divisors (see below), whose sum is σ = 106306404. Its totient is φ = 35435466.

The previous prime is 70870907. The next prime is 70870937. The reversal of 70870934 is 43907807.

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 (70870937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17717732 + ... + 17717735.

It is an arithmetic number, because the mean of its divisors is an integer number (26576601).

Almost surely, 2^70870934 is an apocalyptic number.

70870934 is a deficient number, since it is larger than the sum of its proper divisors (35435470).

70870934 is a wasteful number, since it uses less digits than its factorization.

70870934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35435469.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70870934 is about 8418.4876313979. The cubic root of 70870934 is about 413.8307125240.

The spelling of 70870934 in words is "seventy million, eight hundred seventy thousand, nine hundred thirty-four".