30768948 has 36 divisors (see below), whose sum is σ = 88888800. Its totient is φ = 8791056.

The previous prime is 30768937. The next prime is 30769001. The reversal of 30768948 is 84986703.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30768948² = 1893456322053408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60798 + ... + 61301.

Almost surely, 2^30768948 is an apocalyptic number.

It is an amenable number.

30768948 is an abundant number, since it is smaller than the sum of its proper divisors (58119852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30768948 is a wasteful number, since it uses less digits than its factorization.

30768948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122116 (or 122111 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 30768948 is about 5546.9764737197. The cubic root of 30768948 is about 313.3556641195.

The spelling of 30768948 in words is "thirty million, seven hundred sixty-eight thousand, nine hundred forty-eight".