30767472421 has 16 divisors (see below), whose sum is σ = 35521553664. Its totient is φ = 26103700224.

The previous prime is 30767472419. The next prime is 30767472443. The reversal of 30767472421 is 12427476703.

It is not a de Polignac number, because 30767472421 - 2¹ = 30767472419 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 (30767472481) 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, 573096 + ... + 624478.

It is an arithmetic number, because the mean of its divisors is an integer number (2220097104).

Almost surely, 2^30767472421 is an apocalyptic number.

It is an amenable number.

30767472421 is a deficient number, since it is larger than the sum of its proper divisors (4754081243).

30767472421 is a wasteful number, since it uses less digits than its factorization.

30767472421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52260.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 30767472421 in words is "thirty billion, seven hundred sixty-seven million, four hundred seventy-two thousand, four hundred twenty-one".