7442438605 has 32 divisors (see below), whose sum is σ = 10873497600. Its totient is φ = 4776501312.

The previous prime is 7442438603. The next prime is 7442438617. The reversal of 7442438605 is 5068342447.

It is a cyclic number.

It is not a de Polignac number, because 7442438605 - 2¹ = 7442438603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442438603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12225 + ... + 122614.

It is an arithmetic number, because the mean of its divisors is an integer number (339796800).

Almost surely, 2^7442438605 is an apocalyptic number.

It is an amenable number.

7442438605 is a deficient number, since it is larger than the sum of its proper divisors (3431058995).

7442438605 is a wasteful number, since it uses less digits than its factorization.

7442438605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134953.

The product of its (nonzero) digits is 645120, while the sum is 43.

The square root of 7442438605 is about 86269.5694031215. The cubic root of 7442438605 is about 1952.4132825719.

The spelling of 7442438605 in words is "seven billion, four hundred forty-two million, four hundred thirty-eight thousand, six hundred five".