742808859 has 16 divisors (see below), whose sum is σ = 1068797184. Its totient is φ = 456170400.

The previous prime is 742808837. The next prime is 742808861. The reversal of 742808859 is 958808247.

It is a happy number.

742808859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742808859 - 2⁹ = 742808347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742808809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247 + ... + 38544.

It is an arithmetic number, because the mean of its divisors is an integer number (66799824).

Almost surely, 2^742808859 is an apocalyptic number.

742808859 is a deficient number, since it is larger than the sum of its proper divisors (325988325).

742808859 is a wasteful number, since it uses less digits than its factorization.

742808859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39298.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 742808859 is about 27254.5199737585. The cubic root of 742808859 is about 905.6471502407.

The spelling of 742808859 in words is "seven hundred forty-two million, eight hundred eight thousand, eight hundred fifty-nine".