82256070 has 32 divisors (see below), whose sum is σ = 212601312. Its totient is φ = 20247552.

The previous prime is 82256059. The next prime is 82256099. The reversal of 82256070 is 7065228.

It is a super-2 number, since 2×82256070² = 13532122103689800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105067 + ... + 105846.

It is an arithmetic number, because the mean of its divisors is an integer number (6643791).

Almost surely, 2^82256070 is an apocalyptic number.

82256070 is an abundant number, since it is smaller than the sum of its proper divisors (130345242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82256070 is a wasteful number, since it uses less digits than its factorization.

82256070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210936.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 82256070 is about 9069.5132173673. The cubic root of 82256070 is about 434.8999109134.

The spelling of 82256070 in words is "eighty-two million, two hundred fifty-six thousand, seventy".