82270700 has 36 divisors (see below), whose sum is σ = 181467552. Its totient is φ = 32366400.

The previous prime is 82270697. The next prime is 82270711. The reversal of 82270700 is 707228.

It is a self number, because there is not a number n which added to its sum of digits gives 82270700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 644 + ... + 12843.

Almost surely, 2^82270700 is an apocalyptic number.

It is an amenable number.

82270700 is an abundant number, since it is smaller than the sum of its proper divisors (99196852).

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

82270700 is a wasteful number, since it uses less digits than its factorization.

82270700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562 (or 13555 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 82270700 is about 9070.3197297559. The cubic root of 82270700 is about 434.9256930371.

Adding to 82270700 its reverse (707228), we get a palindrome (82977928).

The spelling of 82270700 in words is "eighty-two million, two hundred seventy thousand, seven hundred".