63742402 has 8 divisors (see below), whose sum is σ = 95647500. Its totient is φ = 31859904.

The previous prime is 63742381. The next prime is 63742403. The reversal of 63742402 is 20424736.

It can be written as a sum of positive squares in 2 ways, for example, as 57744801 + 5997601 = 7599^2 + 2449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63742403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7974 + ... + 13822.

Almost surely, 2^63742402 is an apocalyptic number.

63742402 is a deficient number, since it is larger than the sum of its proper divisors (31905098).

63742402 is a wasteful number, since it uses less digits than its factorization.

63742402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 63742402 is about 7983.8838919413. The cubic root of 63742402 is about 399.4626158690.

The spelling of 63742402 in words is "sixty-three million, seven hundred forty-two thousand, four hundred two".