82012750 has 16 divisors (see below), whose sum is σ = 153528336. Its totient is φ = 32805000.

The previous prime is 82012747. The next prime is 82012769. The reversal of 82012750 is 5721028.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163776 + ... + 164275.

It is an arithmetic number, because the mean of its divisors is an integer number (9595521).

Almost surely, 2^82012750 is an apocalyptic number.

82012750 is a deficient number, since it is larger than the sum of its proper divisors (71515586).

82012750 is a wasteful number, since it uses less digits than its factorization.

82012750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328068 (or 328058 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 82012750 is about 9056.0891117524. The cubic root of 82012750 is about 434.4706645396.

Adding to 82012750 its reverse (5721028), we get a palindrome (87733778).

The spelling of 82012750 in words is "eighty-two million, twelve thousand, seven hundred fifty".