82062780 has 24 divisors (see below), whose sum is σ = 229775952. Its totient is φ = 21883392.

The previous prime is 82062769. The next prime is 82062787. The reversal of 82062780 is 8726028.

It is a super-2 number, since 2×82062780² = 13468599722656800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82062787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683797 + ... + 683916.

It is an arithmetic number, because the mean of its divisors is an integer number (9573998).

Almost surely, 2^82062780 is an apocalyptic number.

It is an amenable number.

82062780 is an abundant number, since it is smaller than the sum of its proper divisors (147713172).

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

82062780 is a wasteful number, since it uses less digits than its factorization.

82062780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367725 (or 1367723 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 82062780 is about 9058.8509205086. The cubic root of 82062780 is about 434.5589928742.

The spelling of 82062780 in words is "eighty-two million, sixty-two thousand, seven hundred eighty".