72783367 has 2 divisors, whose sum is σ = 72783368. Its totient is φ = 72783366.

The previous prime is 72783353. The next prime is 72783377. The reversal of 72783367 is 76338727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72783367 - 2¹⁹ = 72259079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72783317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36391683 + 36391684.

It is an arithmetic number, because the mean of its divisors is an integer number (36391684).

Almost surely, 2^72783367 is an apocalyptic number.

72783367 is a deficient number, since it is larger than the sum of its proper divisors (1).

72783367 is an equidigital number, since it uses as much as digits as its factorization.

72783367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 43.

The square root of 72783367 is about 8531.3168385660. The cubic root of 72783367 is about 417.5200932158.

The spelling of 72783367 in words is "seventy-two million, seven hundred eighty-three thousand, three hundred sixty-seven".