72119783 has 2 divisors, whose sum is σ = 72119784. Its totient is φ = 72119782.

The previous prime is 72119777. The next prime is 72119821. The reversal of 72119783 is 38791127.

It is an a-pointer prime, because the next prime (72119821) can be obtained adding 72119783 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72119783 - 2⁸ = 72119527 is a prime.

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 (72119713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36059891 + 36059892.

It is an arithmetic number, because the mean of its divisors is an integer number (36059892).

Almost surely, 2^72119783 is an apocalyptic number.

72119783 is a deficient number, since it is larger than the sum of its proper divisors (1).

72119783 is an equidigital number, since it uses as much as digits as its factorization.

72119783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 72119783 is about 8492.3367220100. The cubic root of 72119783 is about 416.2473392742.

The spelling of 72119783 in words is "seventy-two million, one hundred nineteen thousand, seven hundred eighty-three".