82752019 has 4 divisors (see below), whose sum is σ = 94573744. Its totient is φ = 70930296.

The previous prime is 82752001. The next prime is 82752023. The reversal of 82752019 is 91025728.

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

It is a cyclic number.

It is not a de Polignac number, because 82752019 - 2⁷ = 82751891 is a prime.

It is a super-2 number, since 2×82752019² = 13695793297152722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82752119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5910852 + ... + 5910865.

It is an arithmetic number, because the mean of its divisors is an integer number (23643436).

Almost surely, 2^82752019 is an apocalyptic number.

82752019 is a deficient number, since it is larger than the sum of its proper divisors (11821725).

82752019 is a wasteful number, since it uses less digits than its factorization.

82752019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821724.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 82752019 is about 9096.8136729297. The cubic root of 82752019 is about 435.7722118351.

The spelling of 82752019 in words is "eighty-two million, seven hundred fifty-two thousand, nineteen".