72860783 has 2 divisors, whose sum is σ = 72860784. Its totient is φ = 72860782.

The previous prime is 72860773. The next prime is 72860797. The reversal of 72860783 is 38706827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72860783 - 2¹² = 72856687 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72860783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72860773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36430391 + 36430392.

It is an arithmetic number, because the mean of its divisors is an integer number (36430392).

Almost surely, 2^72860783 is an apocalyptic number.

72860783 is a deficient number, since it is larger than the sum of its proper divisors (1).

72860783 is an equidigital number, since it uses as much as digits as its factorization.

72860783 is an odious number, because the sum of its binary digits is odd.

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

The square root of 72860783 is about 8535.8527986371. The cubic root of 72860783 is about 417.6680724571.

The spelling of 72860783 in words is "seventy-two million, eight hundred sixty thousand, seven hundred eighty-three".