67274783 has 2 divisors, whose sum is σ = 67274784. Its totient is φ = 67274782.

The previous prime is 67274731. The next prime is 67274807. The reversal of 67274783 is 38747276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67274783 - 2⁸ = 67274527 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67274723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33637391 + 33637392.

It is an arithmetic number, because the mean of its divisors is an integer number (33637392).

Almost surely, 2^67274783 is an apocalyptic number.

67274783 is a deficient number, since it is larger than the sum of its proper divisors (1).

67274783 is an equidigital number, since it uses as much as digits as its factorization.

67274783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 44.

The square root of 67274783 is about 8202.1206404198. The cubic root of 67274783 is about 406.7092986600.

The spelling of 67274783 in words is "sixty-seven million, two hundred seventy-four thousand, seven hundred eighty-three".