1487728605 has 32 divisors (see below), whose sum is σ = 2610413568. Its totient is φ = 717531200.

The previous prime is 1487728589. The next prime is 1487728609. The reversal of 1487728605 is 5068277841.

It is not a de Polignac number, because 1487728605 - 2⁴ = 1487728589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487728609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7912 + ... + 55118.

It is an arithmetic number, because the mean of its divisors is an integer number (81575424).

Almost surely, 2^1487728605 is an apocalyptic number.

1487728605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1487728605 is a deficient number, since it is larger than the sum of its proper divisors (1122684963).

1487728605 is a wasteful number, since it uses less digits than its factorization.

1487728605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47417.

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 1487728605 is about 38571.0850897405. The cubic root of 1487728605 is about 1141.5840820674.

The spelling of 1487728605 in words is "one billion, four hundred eighty-seven million, seven hundred twenty-eight thousand, six hundred five".