70287841 has 4 divisors (see below), whose sum is σ = 75694612. Its totient is φ = 64881072.

The previous prime is 70287823. The next prime is 70287853. The reversal of 70287841 is 14878207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14878207 = 59 ⋅252173.

It can be written as a sum of positive squares in 2 ways, for example, as 26780625 + 43507216 = 5175^2 + 6596^2 .

It is a cyclic number.

It is not a de Polignac number, because 70287841 - 2¹¹ = 70285793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70287841.

It is not an unprimeable number, because it can be changed into a prime (70287871) 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, 2703366 + ... + 2703391.

It is an arithmetic number, because the mean of its divisors is an integer number (18923653).

Almost surely, 2^70287841 is an apocalyptic number.

It is an amenable number.

70287841 is a deficient number, since it is larger than the sum of its proper divisors (5406771).

70287841 is a wasteful number, since it uses less digits than its factorization.

70287841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406770.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 70287841 is about 8383.7844080105. The cubic root of 70287841 is about 412.6926502634.

The spelling of 70287841 in words is "seventy million, two hundred eighty-seven thousand, eight hundred forty-one".