82450731 has 48 divisors (see below), whose sum is σ = 132378624. Its totient is φ = 45408000.

The previous prime is 82450729. The next prime is 82450733. The reversal of 82450731 is 13705428.

It is an interprime number because it is at equal distance from previous prime (82450729) and next prime (82450733).

It is not a de Polignac number, because 82450731 - 2¹ = 82450729 is a prime.

It is a super-2 number, since 2×82450731² = 13596246084868722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82450733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191086 + ... + 191516.

It is an arithmetic number, because the mean of its divisors is an integer number (2757888).

Almost surely, 2^82450731 is an apocalyptic number.

82450731 is a deficient number, since it is larger than the sum of its proper divisors (49927893).

82450731 is a wasteful number, since it uses less digits than its factorization.

82450731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 82450731 is about 9080.2384880575. The cubic root of 82450731 is about 435.2427077324.

The spelling of 82450731 in words is "eighty-two million, four hundred fifty thousand, seven hundred thirty-one".