743768947 has 2 divisors, whose sum is σ = 743768948. Its totient is φ = 743768946.

The previous prime is 743768941. The next prime is 743768983. The reversal of 743768947 is 749867347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 743768947 - 2¹⁹ = 743244659 is a prime.

It is not a weakly prime, because it can be changed into another prime (743768941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371884473 + 371884474.

It is an arithmetic number, because the mean of its divisors is an integer number (371884474).

Almost surely, 2^743768947 is an apocalyptic number.

743768947 is a deficient number, since it is larger than the sum of its proper divisors (1).

743768947 is an equidigital number, since it uses as much as digits as its factorization.

743768947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 55.

The square root of 743768947 is about 27272.1276581054. The cubic root of 743768947 is about 906.0371683036.

The spelling of 743768947 in words is "seven hundred forty-three million, seven hundred sixty-eight thousand, nine hundred forty-seven".