30736040066 has 4 divisors (see below), whose sum is σ = 46104060102. Its totient is φ = 15368020032.

The previous prime is 30736040051. The next prime is 30736040113. The reversal of 30736040066 is 66004063703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23110384441 + 7625655625 = 152021^2 + 87325^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7684010015 + ... + 7684010018.

Almost surely, 2^30736040066 is an apocalyptic number.

30736040066 is a deficient number, since it is larger than the sum of its proper divisors (15368020036).

30736040066 is a wasteful number, since it uses less digits than its factorization.

30736040066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15368020035.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 30736040066 in words is "thirty billion, seven hundred thirty-six million, forty thousand, sixty-six".