30700049721 has 8 divisors (see below), whose sum is σ = 44654617824. Its totient is φ = 18606090720.

The previous prime is 30700049693. The next prime is 30700049747. The reversal of 30700049721 is 12794000703.

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

It is not a de Polignac number, because 30700049721 - 2¹¹ = 30700047673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 930304537 = 30700049721 / (3 + 0 + 7 + 0 + 0 + 0 + 4 + 9 + 7 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (30700049791) 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, 465152236 + ... + 465152301.

It is an arithmetic number, because the mean of its divisors is an integer number (5581827228).

Almost surely, 2^30700049721 is an apocalyptic number.

It is an amenable number.

30700049721 is a deficient number, since it is larger than the sum of its proper divisors (13954568103).

30700049721 is a wasteful number, since it uses less digits than its factorization.

30700049721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930304551.

The product of its (nonzero) digits is 10584, while the sum is 33.

The spelling of 30700049721 in words is "thirty billion, seven hundred million, forty-nine thousand, seven hundred twenty-one".