70282861 has 4 divisors (see below), whose sum is σ = 76672224. Its totient is φ = 63893500.

The previous prime is 70282847. The next prime is 70282931. The reversal of 70282861 is 16828207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70282861 - 2¹⁷ = 70151789 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 (70282801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3194665 + ... + 3194686.

It is an arithmetic number, because the mean of its divisors is an integer number (19168056).

Almost surely, 2^70282861 is an apocalyptic number.

It is an amenable number.

70282861 is a deficient number, since it is larger than the sum of its proper divisors (6389363).

70282861 is a wasteful number, since it uses less digits than its factorization.

70282861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389362.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 70282861 is about 8383.4874008374. The cubic root of 70282861 is about 412.6829034000.

It can be divided in two parts, 7028 and 2861, that added together give a palindrome (9889).

The spelling of 70282861 in words is "seventy million, two hundred eighty-two thousand, eight hundred sixty-one".