634722848 has 24 divisors (see below), whose sum is σ = 1250257680. Its totient is φ = 317197120.

The previous prime is 634722841. The next prime is 634722857. The reversal of 634722848 is 848227436.

It is a happy number.

It is a super-2 number, since 2×634722848² = 805746187546462208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634722799 and 634722808.

It is not an unprimeable number, because it can be changed into a prime (634722841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78683 + ... + 86373.

It is an arithmetic number, because the mean of its divisors is an integer number (52094070).

Almost surely, 2^634722848 is an apocalyptic number.

It is an amenable number.

634722848 is a deficient number, since it is larger than the sum of its proper divisors (615534832).

634722848 is a wasteful number, since it uses less digits than its factorization.

634722848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10280 (or 10272 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 634722848 is about 25193.7065157154. The cubic root of 634722848 is about 859.3987360285.

The spelling of 634722848 in words is "six hundred thirty-four million, seven hundred twenty-two thousand, eight hundred forty-eight".