742776059 has 2 divisors, whose sum is σ = 742776060. Its totient is φ = 742776058.

The previous prime is 742775983. The next prime is 742776061. The reversal of 742776059 is 950677247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742776059 - 2¹² = 742771963 is a prime.

Together with 742776061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742776259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371388029 + 371388030.

It is an arithmetic number, because the mean of its divisors is an integer number (371388030).

Almost surely, 2^742776059 is an apocalyptic number.

742776059 is a deficient number, since it is larger than the sum of its proper divisors (1).

742776059 is an equidigital number, since it uses as much as digits as its factorization.

742776059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 742776059 is about 27253.9182320634. The cubic root of 742776059 is about 905.6338199097.

The spelling of 742776059 in words is "seven hundred forty-two million, seven hundred seventy-six thousand, fifty-nine".