70422709 has 8 divisors (see below), whose sum is σ = 80569280. Its totient is φ = 60297696.

The previous prime is 70422697. The next prime is 70422739. The reversal of 70422709 is 90722407.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70422709 - 2⁹ = 70422197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70422739) 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, 2362 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (10071160).

Almost surely, 2^70422709 is an apocalyptic number.

It is an amenable number.

70422709 is a deficient number, since it is larger than the sum of its proper divisors (10146571).

70422709 is a wasteful number, since it uses less digits than its factorization.

70422709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10779.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70422709 is about 8391.8239376193. The cubic root of 70422709 is about 412.9564392299.

The spelling of 70422709 in words is "seventy million, four hundred twenty-two thousand, seven hundred nine".