70243406 has 4 divisors (see below), whose sum is σ = 105365112. Its totient is φ = 35121702.

The previous prime is 70243367. The next prime is 70243417. The reversal of 70243406 is 60434207.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17560850 + ... + 17560853.

It is an arithmetic number, because the mean of its divisors is an integer number (26341278).

Almost surely, 2^70243406 is an apocalyptic number.

70243406 is a deficient number, since it is larger than the sum of its proper divisors (35121706).

70243406 is a wasteful number, since it uses less digits than its factorization.

70243406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35121705.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 70243406 is about 8381.1339328279. The cubic root of 70243406 is about 412.6056657373.

The spelling of 70243406 in words is "seventy million, two hundred forty-three thousand, four hundred six".