82249761 has 8 divisors (see below), whose sum is σ = 119636064. Its totient is φ = 49848320.

The previous prime is 82249753. The next prime is 82249787. The reversal of 82249761 is 16794228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82249761 - 2³ = 82249753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82249711) 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, 1246176 + ... + 1246241.

It is an arithmetic number, because the mean of its divisors is an integer number (14954508).

Almost surely, 2^82249761 is an apocalyptic number.

It is an amenable number.

82249761 is a deficient number, since it is larger than the sum of its proper divisors (37386303).

82249761 is a wasteful number, since it uses less digits than its factorization.

82249761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492431.

The product of its digits is 48384, while the sum is 39.

The square root of 82249761 is about 9069.1653971024. The cubic root of 82249761 is about 434.8887917595. Note that the first 3 decimals are identical.

The spelling of 82249761 in words is "eighty-two million, two hundred forty-nine thousand, seven hundred sixty-one".