1481571072 has 54 divisors (see below), whose sum is σ = 4271741292. Its totient is φ = 493856256.

The previous prime is 1481571071. The next prime is 1481571089. The reversal of 1481571072 is 2701751841.

1481571072 is a `hidden beast` number, since 1 + 4 + 81 + 571 + 0 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1481571071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319218 + ... + 323825.

Almost surely, 2^1481571072 is an apocalyptic number.

1481571072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1481571072 is an abundant number, since it is smaller than the sum of its proper divisors (2790170220).

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

1481571072 is an equidigital number, since it uses as much as digits as its factorization.

1481571072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643065 (or 643048 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 1481571072 is about 38491.1817433552. The cubic root of 1481571072 is about 1140.0069436327.

The spelling of 1481571072 in words is "one billion, four hundred eighty-one million, five hundred seventy-one thousand, seventy-two".