63428692 has 6 divisors (see below), whose sum is σ = 111000218. Its totient is φ = 31714344.

The previous prime is 63428657. The next prime is 63428711. The reversal of 63428692 is 29682436.

It can be written as a sum of positive squares in only one way, i.e., 59043856 + 4384836 = 7684^2 + 2094^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7928583 + ... + 7928590.

Almost surely, 2^63428692 is an apocalyptic number.

It is an amenable number.

63428692 is a deficient number, since it is larger than the sum of its proper divisors (47571526).

63428692 is a wasteful number, since it uses less digits than its factorization.

63428692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857177 (or 15857175 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 63428692 is about 7964.2132065886. The cubic root of 63428692 is about 398.8062157422.

The spelling of 63428692 in words is "sixty-three million, four hundred twenty-eight thousand, six hundred ninety-two".