72816467 has 2 divisors, whose sum is σ = 72816468. Its totient is φ = 72816466.

The previous prime is 72816439. The next prime is 72816479. The reversal of 72816467 is 76461827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72816467 - 2¹⁰ = 72815443 is a prime.

It is not a weakly prime, because it can be changed into another prime (72816167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36408233 + 36408234.

It is an arithmetic number, because the mean of its divisors is an integer number (36408234).

Almost surely, 2^72816467 is an apocalyptic number.

72816467 is a deficient number, since it is larger than the sum of its proper divisors (1).

72816467 is an equidigital number, since it uses as much as digits as its factorization.

72816467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 72816467 is about 8533.2565296023. The cubic root of 72816467 is about 417.5833760839.

The spelling of 72816467 in words is "seventy-two million, eight hundred sixteen thousand, four hundred sixty-seven".