82075007 has 4 divisors (see below), whose sum is σ = 93800016. Its totient is φ = 70350000.

The previous prime is 82074983. The next prime is 82075009. The reversal of 82075007 is 70057028.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82075007 - 2¹⁰ = 82073983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82075009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5862494 + ... + 5862507.

It is an arithmetic number, because the mean of its divisors is an integer number (23450004).

Almost surely, 2^82075007 is an apocalyptic number.

82075007 is a deficient number, since it is larger than the sum of its proper divisors (11725009).

82075007 is a wasteful number, since it uses less digits than its factorization.

82075007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11725008.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 82075007 is about 9059.5257602150. The cubic root of 82075007 is about 434.5805742738.

The spelling of 82075007 in words is "eighty-two million, seventy-five thousand, seven".