634654741 has 8 divisors (see below), whose sum is σ = 726456384. Its totient is φ = 543137280.

The previous prime is 634654721. The next prime is 634654781. The reversal of 634654741 is 147456436.

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

It is not a de Polignac number, because 634654741 - 2¹¹ = 634652693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634654694 and 634654703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634654721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66235 + ... + 75208.

It is an arithmetic number, because the mean of its divisors is an integer number (90807048).

Almost surely, 2^634654741 is an apocalyptic number.

It is an amenable number.

634654741 is a deficient number, since it is larger than the sum of its proper divisors (91801643).

634654741 is a wasteful number, since it uses less digits than its factorization.

634654741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142091.

The product of its digits is 241920, while the sum is 40.

The square root of 634654741 is about 25192.3548125220. The cubic root of 634654741 is about 859.3679965419.

The spelling of 634654741 in words is "six hundred thirty-four million, six hundred fifty-four thousand, seven hundred forty-one".