30763648 has 16 divisors (see below), whose sum is σ = 61287210. Its totient is φ = 15381760.

The previous prime is 30763643. The next prime is 30763669. The reversal of 30763648 is 84636703.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 4631104 = 5112^2 + 2152^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (30763643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120043 + ... + 120298.

Almost surely, 2^30763648 is an apocalyptic number.

It is an amenable number.

30763648 is a deficient number, since it is larger than the sum of its proper divisors (30523562).

30763648 is an equidigital number, since it uses as much as digits as its factorization.

30763648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240355 (or 240343 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 30763648 is about 5546.4987154060. The cubic root of 30763648 is about 313.3376710833.

It can be divided in two parts, 3076 and 3648, that added together give a square (6724 = 82²).

The spelling of 30763648 in words is "thirty million, seven hundred sixty-three thousand, six hundred forty-eight".