1534731872 has 12 divisors (see below), whose sum is σ = 3021503436. Its totient is φ = 767365920.

The previous prime is 1534731857. The next prime is 1534731901. The reversal of 1534731872 is 2781374351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23980154 + ... + 23980217.

It is an arithmetic number, because the mean of its divisors is an integer number (251791953).

Almost surely, 2^1534731872 is an apocalyptic number.

It is an amenable number.

1534731872 is a deficient number, since it is larger than the sum of its proper divisors (1486771564).

1534731872 is an equidigital number, since it uses as much as digits as its factorization.

1534731872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47960381 (or 47960373 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 1534731872 is about 39175.6540723955. The cubic root of 1534731872 is about 1153.4820415540.

The spelling of 1534731872 in words is "one billion, five hundred thirty-four million, seven hundred thirty-one thousand, eight hundred seventy-two".