7408742742 has 12 divisors (see below), whose sum is σ = 16052275980. Its totient is φ = 2469580908.

The previous prime is 7408742717. The next prime is 7408742777. The reversal of 7408742742 is 2472478047.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205798392 + ... + 205798427.

It is an arithmetic number, because the mean of its divisors is an integer number (1337689665).

Almost surely, 2^7408742742 is an apocalyptic number.

7408742742 is an abundant number, since it is smaller than the sum of its proper divisors (8643533238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7408742742 is a wasteful number, since it uses less digits than its factorization.

7408742742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411596827 (or 411596824 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The square root of 7408742742 is about 86074.0538257610. The cubic root of 7408742742 is about 1949.4622880316.

The spelling of 7408742742 in words is "seven billion, four hundred eight million, seven hundred forty-two thousand, seven hundred forty-two".