72056783 has 2 divisors, whose sum is σ = 72056784. Its totient is φ = 72056782.

The previous prime is 72056779. The next prime is 72056791. The reversal of 72056783 is 38765027.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72056783 - 2² = 72056779 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72056713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36028391 + 36028392.

It is an arithmetic number, because the mean of its divisors is an integer number (36028392).

Almost surely, 2^72056783 is an apocalyptic number.

72056783 is a deficient number, since it is larger than the sum of its proper divisors (1).

72056783 is an equidigital number, since it uses as much as digits as its factorization.

72056783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 72056783 is about 8488.6266851594. The cubic root of 72056783 is about 416.1261001318.

The spelling of 72056783 in words is "seventy-two million, fifty-six thousand, seven hundred eighty-three".