72068783 has 2 divisors, whose sum is σ = 72068784. Its totient is φ = 72068782.

The previous prime is 72068753. The next prime is 72068807. The reversal of 72068783 is 38786027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72068783 - 2¹⁰ = 72067759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72068783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72068723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36034391 + 36034392.

It is an arithmetic number, because the mean of its divisors is an integer number (36034392).

Almost surely, 2^72068783 is an apocalyptic number.

72068783 is a deficient number, since it is larger than the sum of its proper divisors (1).

72068783 is an equidigital number, since it uses as much as digits as its factorization.

72068783 is an evil number, because the sum of its binary digits is even.

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

The square root of 72068783 is about 8489.3334838490. Note that the first 3 decimals coincide. The cubic root of 72068783 is about 416.1491987485.

The spelling of 72068783 in words is "seventy-two million, sixty-eight thousand, seven hundred eighty-three".