63749134 has 16 divisors (see below), whose sum is σ = 101225520. Its totient is φ = 30058560.

The previous prime is 63749131. The next prime is 63749141. The reversal of 63749134 is 43194736.

It is a junction number, because it is equal to n+sod(n) for n = 63749093 and 63749102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63749131) 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, 10287 + ... + 15274.

It is an arithmetic number, because the mean of its divisors is an integer number (6326595).

Almost surely, 2^63749134 is an apocalyptic number.

63749134 is a deficient number, since it is larger than the sum of its proper divisors (37476386).

63749134 is a wasteful number, since it uses less digits than its factorization.

63749134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25635.

The product of its digits is 54432, while the sum is 37.

The square root of 63749134 is about 7984.3054801279. The cubic root of 63749134 is about 399.4766781341.

The spelling of 63749134 in words is "sixty-three million, seven hundred forty-nine thousand, one hundred thirty-four".