30768772 has 6 divisors (see below), whose sum is σ = 53845358. Its totient is φ = 15384384.

The previous prime is 30768769. The next prime is 30768781. The reversal of 30768772 is 27786703.

It can be written as a sum of positive squares in only one way, i.e., 28026436 + 2742336 = 5294^2 + 1656^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3846093 + ... + 3846100.

Almost surely, 2^30768772 is an apocalyptic number.

It is an amenable number.

30768772 is a deficient number, since it is larger than the sum of its proper divisors (23076586).

30768772 is a wasteful number, since it uses less digits than its factorization.

30768772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692197 (or 7692195 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 30768772 is about 5546.9606091985. The cubic root of 30768772 is about 313.3550666480.

The spelling of 30768772 in words is "thirty million, seven hundred sixty-eight thousand, seven hundred seventy-two".