1489729736 has 32 divisors (see below), whose sum is σ = 3072379680. Its totient is φ = 677145040.

The previous prime is 1489729729. The next prime is 1489729807. The reversal of 1489729736 is 6379279841.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59306 + ... + 80601.

It is an arithmetic number, because the mean of its divisors is an integer number (96011865).

Almost surely, 2^1489729736 is an apocalyptic number.

It is an amenable number.

1489729736 is an abundant number, since it is smaller than the sum of its proper divisors (1582649944).

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

1489729736 is a wasteful number, since it uses less digits than its factorization.

1489729736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139946 (or 139920 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 1489729736 is about 38597.0171904514. The cubic root of 1489729736 is about 1142.0956977353.

The spelling of 1489729736 in words is "one billion, four hundred eighty-nine million, seven hundred twenty-nine thousand, seven hundred thirty-six".