1481281730 has 32 divisors (see below), whose sum is σ = 2719284480. Its totient is φ = 580798080.

The previous prime is 1481281729. The next prime is 1481281741. The reversal of 1481281730 is 371821841.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213110 + ... + 219950.

It is an arithmetic number, because the mean of its divisors is an integer number (84977640).

Almost surely, 2^1481281730 is an apocalyptic number.

1481281730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1481281730 is a deficient number, since it is larger than the sum of its proper divisors (1238002750).

1481281730 is a wasteful number, since it uses less digits than its factorization.

1481281730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1481281730 is about 38487.4230106408. The cubic root of 1481281730 is about 1139.9327266139.

The spelling of 1481281730 in words is "one billion, four hundred eighty-one million, two hundred eighty-one thousand, seven hundred thirty".