742602305 has 4 divisors (see below), whose sum is σ = 891122772. Its totient is φ = 594081840.

The previous prime is 742602281. The next prime is 742602331. The reversal of 742602305 is 503206247.

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 108972721 + 633629584 = 10439^2 + 25172^2 .

It is not a de Polignac number, because 742602305 - 2¹⁰ = 742601281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74260226 + ... + 74260235.

It is an arithmetic number, because the mean of its divisors is an integer number (222780693).

Almost surely, 2^742602305 is an apocalyptic number.

It is an amenable number.

742602305 is a deficient number, since it is larger than the sum of its proper divisors (148520467).

742602305 is a wasteful number, since it uses less digits than its factorization.

742602305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148520466.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 742602305 is about 27250.7303571849. The cubic root of 742602305 is about 905.5631975607.

The spelling of 742602305 in words is "seven hundred forty-two million, six hundred two thousand, three hundred five".