1487644752 has 160 divisors (see below), whose sum is σ = 4320866304. Its totient is φ = 437184000.

The previous prime is 1487644747. The next prime is 1487644787. The reversal of 1487644752 is 2574467841.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3747018 + ... + 3747414.

Almost surely, 2^1487644752 is an apocalyptic number.

1487644752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1487644752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160433152).

1487644752 is an abundant number, since it is smaller than the sum of its proper divisors (2833221552).

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

1487644752 is a wasteful number, since it uses less digits than its factorization.

1487644752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 611 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 1487644752 is about 38569.9980814104. The cubic root of 1487644752 is about 1141.5626339242.

Subtracting 1487644752 from its reverse (2574467841), we obtain a square (1086823089 = 32967²).

The spelling of 1487644752 in words is "one billion, four hundred eighty-seven million, six hundred forty-four thousand, seven hundred fifty-two".