742405567 has 2 divisors, whose sum is σ = 742405568. Its totient is φ = 742405566.

The previous prime is 742405553. The next prime is 742405571. The reversal of 742405567 is 765504247.

742405567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742405567 - 2⁷ = 742405439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742400567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371202783 + 371202784.

It is an arithmetic number, because the mean of its divisors is an integer number (371202784).

Almost surely, 2^742405567 is an apocalyptic number.

742405567 is a deficient number, since it is larger than the sum of its proper divisors (1).

742405567 is an equidigital number, since it uses as much as digits as its factorization.

742405567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 742405567 is about 27247.1203432583. The cubic root of 742405567 is about 905.4832200605.

The spelling of 742405567 in words is "seven hundred forty-two million, four hundred five thousand, five hundred sixty-seven".