742813871 has 2 divisors, whose sum is σ = 742813872. Its totient is φ = 742813870.

The previous prime is 742813843. The next prime is 742813879. The reversal of 742813871 is 178318247.

742813871 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 742813871 - 2⁶ = 742813807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742813879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371406935 + 371406936.

It is an arithmetic number, because the mean of its divisors is an integer number (371406936).

Almost surely, 2^742813871 is an apocalyptic number.

742813871 is a deficient number, since it is larger than the sum of its proper divisors (1).

742813871 is an equidigital number, since it uses as much as digits as its factorization.

742813871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 41.

The square root of 742813871 is about 27254.6119216547. The cubic root of 742813871 is about 905.6491871457.

The spelling of 742813871 in words is "seven hundred forty-two million, eight hundred thirteen thousand, eight hundred seventy-one".