30753742071 has 16 divisors (see below), whose sum is σ = 44300320736. Its totient is φ = 18864907776.

The previous prime is 30753742031. The next prime is 30753742081. The reversal of 30753742071 is 17024735703.

It is not a de Polignac number, because 30753742071 - 2¹¹ = 30753740023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30753742021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1247470 + ... + 1271883.

It is an arithmetic number, because the mean of its divisors is an integer number (2768770046).

Almost surely, 2^30753742071 is an apocalyptic number.

30753742071 is a deficient number, since it is larger than the sum of its proper divisors (13546578665).

30753742071 is a wasteful number, since it uses less digits than its factorization.

30753742071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519682.

The product of its (nonzero) digits is 123480, while the sum is 39.

The spelling of 30753742071 in words is "thirty billion, seven hundred fifty-three million, seven hundred forty-two thousand, seventy-one".