63742929 has 16 divisors (see below), whose sum is σ = 90804480. Its totient is φ = 39655440.

The previous prime is 63742927. The next prime is 63742933. The reversal of 63742929 is 92924736.

It is a happy number.

It is not a de Polignac number, because 63742929 - 2¹ = 63742927 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63742927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4527 + ... + 12164.

It is an arithmetic number, because the mean of its divisors is an integer number (5675280).

Almost surely, 2^63742929 is an apocalyptic number.

It is an amenable number.

63742929 is a deficient number, since it is larger than the sum of its proper divisors (27061551).

63742929 is a wasteful number, since it uses less digits than its factorization.

63742929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16780.

The product of its digits is 163296, while the sum is 42.

The square root of 63742929 is about 7983.9168958601. The cubic root of 63742929 is about 399.4637167386.

The spelling of 63742929 in words is "sixty-three million, seven hundred forty-two thousand, nine hundred twenty-nine".