82749124 has 12 divisors (see below), whose sum is σ = 151107264. Its totient is φ = 39575624.

The previous prime is 82749119. The next prime is 82749133. The reversal of 82749124 is 42194728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449632 + ... + 449815.

It is an arithmetic number, because the mean of its divisors is an integer number (12592272).

Almost surely, 2^82749124 is an apocalyptic number.

It is an amenable number.

82749124 is a deficient number, since it is larger than the sum of its proper divisors (68358140).

82749124 is a wasteful number, since it uses less digits than its factorization.

82749124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899474 (or 899472 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 82749124 is about 9096.6545498881. The cubic root of 82749124 is about 435.7671300849.

The spelling of 82749124 in words is "eighty-two million, seven hundred forty-nine thousand, one hundred twenty-four".