634064276 has 48 divisors (see below), whose sum is σ = 1235740800. Its totient is φ = 283295232.

The previous prime is 634064269. The next prime is 634064279. The reversal of 634064276 is 672460436.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634064279) 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, 125120 + ... + 130088.

It is an arithmetic number, because the mean of its divisors is an integer number (25744600).

Almost surely, 2^634064276 is an apocalyptic number.

It is an amenable number.

634064276 is a deficient number, since it is larger than the sum of its proper divisors (601676524).

634064276 is a wasteful number, since it uses less digits than its factorization.

634064276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088 (or 5086 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 634064276 is about 25180.6329547134. The cubic root of 634064276 is about 859.1014032076.

The spelling of 634064276 in words is "six hundred thirty-four million, sixty-four thousand, two hundred seventy-six".