30742011556 has 27 divisors (see below), whose sum is σ = 55736048641. Its totient is φ = 14836061744.

The previous prime is 30742011539. The next prime is 30742011581. The reversal of 30742011556 is 65511024703.

The square root of 30742011556 is 175334.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16120365156 + 14621646400 = 126966^2 + 120920^2 .

It is a super-2 number, since 2×30742011556² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10167861 + ... + 10170883.

Almost surely, 2^30742011556 is an apocalyptic number.

30742011556 is the 175334-th square number.

It is an amenable number.

30742011556 is a deficient number, since it is larger than the sum of its proper divisors (24994037085).

30742011556 is an frugal number, since it uses more digits than its factorization.

30742011556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108 (or 3054 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 30742011556 in words is "thirty billion, seven hundred forty-two million, eleven thousand, five hundred fifty-six".