82370731 has 2 divisors, whose sum is σ = 82370732. Its totient is φ = 82370730.

The previous prime is 82370713. The next prime is 82370737. The reversal of 82370731 is 13707328.

Together with previous prime (82370713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82370731 - 2⁵ = 82370699 is a prime.

It is a super-2 number, since 2×82370731² = 13569874650948722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82370693 and 82370702.

It is not a weakly prime, because it can be changed into another prime (82370737) 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 as a sum of consecutive naturals, namely, 41185365 + 41185366.

It is an arithmetic number, because the mean of its divisors is an integer number (41185366).

Almost surely, 2^82370731 is an apocalyptic number.

82370731 is a deficient number, since it is larger than the sum of its proper divisors (1).

82370731 is an equidigital number, since it uses as much as digits as its factorization.

82370731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 82370731 is about 9075.8322483395. The cubic root of 82370731 is about 435.1018936012.

The spelling of 82370731 in words is "eighty-two million, three hundred seventy thousand, seven hundred thirty-one".