63012428 has 24 divisors (see below), whose sum is σ = 112594944. Its totient is φ = 30848400.

The previous prime is 63012427. The next prime is 63012431. The reversal of 63012428 is 82421036.

It is a junction number, because it is equal to n+sod(n) for n = 63012397 and 63012406.

It is not an unprimeable number, because it can be changed into a prime (63012427) 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, 50573 + ... + 51803.

It is an arithmetic number, because the mean of its divisors is an integer number (4691456).

Almost surely, 2^63012428 is an apocalyptic number.

It is an amenable number.

63012428 is a deficient number, since it is larger than the sum of its proper divisors (49582516).

63012428 is a wasteful number, since it uses less digits than its factorization.

63012428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 63012428 is about 7938.0367849992. The cubic root of 63012428 is about 397.9318840021.

The spelling of 63012428 in words is "sixty-three million, twelve thousand, four hundred twenty-eight".