1543472634 has 32 divisors (see below), whose sum is σ = 3449718720. Its totient is φ = 456310400.

The previous prime is 1543472563. The next prime is 1543472663. The reversal of 1543472634 is 4362743451.

It is a junction number, because it is equal to n+sod(n) for n = 1543472592 and 1543472601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282489 + ... + 287900.

It is an arithmetic number, because the mean of its divisors is an integer number (107803710).

Almost surely, 2^1543472634 is an apocalyptic number.

1543472634 is an abundant number, since it is smaller than the sum of its proper divisors (1906246086).

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

1543472634 is a wasteful number, since it uses less digits than its factorization.

1543472634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570446.

The product of its digits is 241920, while the sum is 39.

The square root of 1543472634 is about 39287.0542800042. The cubic root of 1543472634 is about 1155.6677070999.

The spelling of 1543472634 in words is "one billion, five hundred forty-three million, four hundred seventy-two thousand, six hundred thirty-four".