70289047 has 8 divisors (see below), whose sum is σ = 73679760. Its totient is φ = 66978240.

The previous prime is 70289041. The next prime is 70289053. The reversal of 70289047 is 74098207.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70289041) and next prime (70289053).

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 70289047 - 2¹⁵ = 70256279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70288997 and 70289015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70289041) 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, 18172 + ... + 21697.

It is an arithmetic number, because the mean of its divisors is an integer number (9209970).

Almost surely, 2^70289047 is an apocalyptic number.

70289047 is a deficient number, since it is larger than the sum of its proper divisors (3390713).

70289047 is a wasteful number, since it uses less digits than its factorization.

70289047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39953.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 70289047 is about 8383.8563322614. The cubic root of 70289047 is about 412.6950105791.

The spelling of 70289047 in words is "seventy million, two hundred eighty-nine thousand, forty-seven".