1481724756 has 72 divisors (see below), whose sum is σ = 3788584800. Its totient is φ = 488255040.

The previous prime is 1481724737. The next prime is 1481724757. The reversal of 1481724756 is 6574271841.

1481724756 is a `hidden beast` number, since 1 + 4 + 8 + 172 + 475 + 6 = 666.

Its product of digits (376320) is a multiple of the sum of its prime divisors (1344).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481724757) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1786950 + ... + 1787778.

Almost surely, 2^1481724756 is an apocalyptic number.

It is an amenable number.

1481724756 is an abundant number, since it is smaller than the sum of its proper divisors (2306860044).

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

1481724756 is a wasteful number, since it uses less digits than its factorization.

1481724756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1344 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 1481724756 is about 38493.1780449471. The cubic root of 1481724756 is about 1140.0463600722.

The spelling of 1481724756 in words is "one billion, four hundred eighty-one million, seven hundred twenty-four thousand, seven hundred fifty-six".