742016005 has 4 divisors (see below), whose sum is σ = 890419212. Its totient is φ = 593612800.

The previous prime is 742015999. The next prime is 742016021. The reversal of 742016005 is 500610247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 574417089 + 167598916 = 23967^2 + 12946^2 .

It is not a de Polignac number, because 742016005 - 2³ = 742015997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74201596 + ... + 74201605.

It is an arithmetic number, because the mean of its divisors is an integer number (222604803).

Almost surely, 2^742016005 is an apocalyptic number.

It is an amenable number.

742016005 is a deficient number, since it is larger than the sum of its proper divisors (148403207).

742016005 is a wasteful number, since it uses less digits than its factorization.

742016005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148403206.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 742016005 is about 27239.9707231854. The cubic root of 742016005 is about 905.3248144730.

The spelling of 742016005 in words is "seven hundred forty-two million, sixteen thousand, five".