72827519 has 2 divisors, whose sum is σ = 72827520. Its totient is φ = 72827518.

The previous prime is 72827471. The next prime is 72827537. The reversal of 72827519 is 91572827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72827519 - 2¹² = 72823423 is a prime.

It is a super-2 number, since 2×72827519² = 10607695047390722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72827719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36413759 + 36413760.

It is an arithmetic number, because the mean of its divisors is an integer number (36413760).

Almost surely, 2^72827519 is an apocalyptic number.

72827519 is a deficient number, since it is larger than the sum of its proper divisors (1).

72827519 is an equidigital number, since it uses as much as digits as its factorization.

72827519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 41.

The square root of 72827519 is about 8533.9040889853. The cubic root of 72827519 is about 417.6045017907.

The spelling of 72827519 in words is "seventy-two million, eight hundred twenty-seven thousand, five hundred nineteen".