742135556 has 6 divisors (see below), whose sum is σ = 1298737230. Its totient is φ = 371067776.

The previous prime is 742135543. The next prime is 742135579. The reversal of 742135556 is 655531247.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 609102400 + 133033156 = 24680^2 + 11534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92766941 + ... + 92766948.

It is an arithmetic number, because the mean of its divisors is an integer number (216456205).

Almost surely, 2^742135556 is an apocalyptic number.

It is an amenable number.

742135556 is a deficient number, since it is larger than the sum of its proper divisors (556601674).

742135556 is a wasteful number, since it uses less digits than its factorization.

742135556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185533893 (or 185533891 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 742135556 is about 27242.1650387777. The cubic root of 742135556 is about 905.3734327750.

The spelling of 742135556 in words is "seven hundred forty-two million, one hundred thirty-five thousand, five hundred fifty-six".