634503047 has 16 divisors (see below), whose sum is σ = 681825792. Its totient is φ = 588915360.

The previous prime is 634503041. The next prime is 634503083. The reversal of 634503047 is 740305436.

It is a cyclic number.

It is not a de Polignac number, because 634503047 - 2⁴ = 634503031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634503041) 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, 413672 + ... + 415202.

It is an arithmetic number, because the mean of its divisors is an integer number (42614112).

Almost surely, 2^634503047 is an apocalyptic number.

634503047 is a deficient number, since it is larger than the sum of its proper divisors (47322745).

634503047 is a wasteful number, since it uses less digits than its factorization.

634503047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 634503047 is about 25189.3439176172. The cubic root of 634503047 is about 859.2995229042.

The spelling of 634503047 in words is "six hundred thirty-four million, five hundred three thousand, forty-seven".