30768773 has 8 divisors (see below), whose sum is σ = 35660160. Its totient is φ = 26001360.

The previous prime is 30768769. The next prime is 30768781. The reversal of 30768773 is 37786703.

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

It is not a de Polignac number, because 30768773 - 2² = 30768769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30768773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768713) 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, 30458 + ... + 31451.

It is an arithmetic number, because the mean of its divisors is an integer number (4457520).

Almost surely, 2^30768773 is an apocalyptic number.

It is an amenable number.

30768773 is a deficient number, since it is larger than the sum of its proper divisors (4891387).

30768773 is an equidigital number, since it uses as much as digits as its factorization.

30768773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61987.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 30768773 is about 5546.9606993380. The cubic root of 30768773 is about 313.3550700428.

The spelling of 30768773 in words is "thirty million, seven hundred sixty-eight thousand, seven hundred seventy-three".