30728730335 has 8 divisors (see below), whose sum is σ = 36935835216. Its totient is φ = 24542078400.

The previous prime is 30728730317. The next prime is 30728730353. The reversal of 30728730335 is 53303782703.

It is an interprime number because it is at equal distance from previous prime (30728730317) and next prime (30728730353).

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

It is not a de Polignac number, because 30728730335 - 2⁶ = 30728730271 is a prime.

It is a super-2 number, since 2×30728730335² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30728730292 and 30728730301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5109929 + ... + 5115938.

It is an arithmetic number, because the mean of its divisors is an integer number (4616979402).

Almost surely, 2^30728730335 is an apocalyptic number.

30728730335 is a deficient number, since it is larger than the sum of its proper divisors (6207104881).

30728730335 is a wasteful number, since it uses less digits than its factorization.

30728730335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226473.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 30728730335 in words is "thirty billion, seven hundred twenty-eight million, seven hundred thirty thousand, three hundred thirty-five".