1634734560 has 48 divisors (see below), whose sum is σ = 5149415376. Its totient is φ = 435929088.

The previous prime is 1634734531. The next prime is 1634734561. The reversal of 1634734560 is 654374361.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634734561) 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, 1702369 + ... + 1703328.

It is an arithmetic number, because the mean of its divisors is an integer number (107279487).

Almost surely, 2^1634734560 is an apocalyptic number.

1634734560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1634734560 is an abundant number, since it is smaller than the sum of its proper divisors (3514680816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1634734560 is a wasteful number, since it uses less digits than its factorization.

1634734560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405715 (or 3405707 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 1634734560 is about 40431.8508109634. The cubic root of 1634734560 is about 1178.0102827508.

The spelling of 1634734560 in words is "one billion, six hundred thirty-four million, seven hundred thirty-four thousand, five hundred sixty".