70441647 has 4 divisors (see below), whose sum is σ = 93922200. Its totient is φ = 46961096.

The previous prime is 70441643. The next prime is 70441681. The reversal of 70441647 is 74614407.

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

It is a cyclic number.

It is not a de Polignac number, because 70441647 - 2² = 70441643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70441643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11740272 + ... + 11740277.

It is an arithmetic number, because the mean of its divisors is an integer number (23480550).

Almost surely, 2^70441647 is an apocalyptic number.

70441647 is a deficient number, since it is larger than the sum of its proper divisors (23480553).

70441647 is a wasteful number, since it uses less digits than its factorization.

70441647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480552.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 70441647 is about 8392.9522219538. The cubic root of 70441647 is about 412.9934531810.

The spelling of 70441647 in words is "seventy million, four hundred forty-one thousand, six hundred forty-seven".