70286071 has 4 divisors (see below), whose sum is σ = 70463512. Its totient is φ = 70108632.

The previous prime is 70286023. The next prime is 70286087. The reversal of 70286071 is 17068207.

It is a happy number.

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 70286071 - 2⁹ = 70285559 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 (70286171) 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, 88125 + ... + 88918.

It is an arithmetic number, because the mean of its divisors is an integer number (17615878).

Almost surely, 2^70286071 is an apocalyptic number.

70286071 is a deficient number, since it is larger than the sum of its proper divisors (177441).

70286071 is a wasteful number, since it uses less digits than its factorization.

70286071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177440.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 70286071 is about 8383.6788464254. The cubic root of 70286071 is about 412.6891860695.

The spelling of 70286071 in words is "seventy million, two hundred eighty-six thousand, seventy-one".