30742073071 has 8 divisors (see below), whose sum is σ = 31248857088. Its totient is φ = 30235380000.

The previous prime is 30742073069. The next prime is 30742073113. The reversal of 30742073071 is 17037024703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30742073071 - 2¹ = 30742073069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30742073371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164306 + ... + 1190416.

It is an arithmetic number, because the mean of its divisors is an integer number (3906107136).

Almost surely, 2^30742073071 is an apocalyptic number.

30742073071 is a deficient number, since it is larger than the sum of its proper divisors (506784017).

30742073071 is a wasteful number, since it uses less digits than its factorization.

30742073071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45473.

The product of its (nonzero) digits is 24696, while the sum is 34.

Adding to 30742073071 its reverse (17037024703), we get a palindrome (47779097774).

The spelling of 30742073071 in words is "thirty billion, seven hundred forty-two million, seventy-three thousand, seventy-one".