1481395734 has 96 divisors (see below), whose sum is σ = 4031227200. Its totient is φ = 390676608.

The previous prime is 1481395693. The next prime is 1481395801. The reversal of 1481395734 is 4375931841.

1481395734 is a `hidden beast` number, since 1 + 48 + 1 + 39 + 573 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1481395734.

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 47 ways as a sum of consecutive naturals, for example, 71034 + ... + 89490.

It is an arithmetic number, because the mean of its divisors is an integer number (41991950).

Almost surely, 2^1481395734 is an apocalyptic number.

1481395734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481395734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015613600).

1481395734 is an abundant number, since it is smaller than the sum of its proper divisors (2549831466).

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

1481395734 is a wasteful number, since it uses less digits than its factorization.

1481395734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18499 (or 18482 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1481395734 is about 38488.9040373976. The cubic root of 1481395734 is about 1139.9619701072.

The spelling of 1481395734 in words is "one billion, four hundred eighty-one million, three hundred ninety-five thousand, seven hundred thirty-four".