63149742 has 12 divisors (see below), whose sum is σ = 136824480. Its totient is φ = 21049908.

The previous prime is 63149741. The next prime is 63149753. The reversal of 63149742 is 24794136.

It is a junction number, because it is equal to n+sod(n) for n = 63149697 and 63149706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63149741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1754142 + ... + 1754177.

It is an arithmetic number, because the mean of its divisors is an integer number (11402040).

Almost surely, 2^63149742 is an apocalyptic number.

63149742 is an abundant number, since it is smaller than the sum of its proper divisors (73674738).

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

63149742 is a wasteful number, since it uses less digits than its factorization.

63149742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508327 (or 3508324 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 63149742 is about 7946.6811940583. The cubic root of 63149742 is about 398.2207263651.

The spelling of 63149742 in words is "sixty-three million, one hundred forty-nine thousand, seven hundred forty-two".