1481669874 has 64 divisors (see below), whose sum is σ = 3337459200. Its totient is φ = 487203984.

The previous prime is 1481669869. The next prime is 1481669879. The reversal of 1481669874 is 4789661841.

1481669874 is a `hidden beast` number, since 1 + 481 + 6 + 6 + 98 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (1481669869) and next prime (1481669879).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1481669874.

It is not an unprimeable number, because it can be changed into a prime (1481669879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2004597 + ... + 2005335.

It is an arithmetic number, because the mean of its divisors is an integer number (52147800).

Almost surely, 2^1481669874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481669874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668729600).

1481669874 is an abundant number, since it is smaller than the sum of its proper divisors (1855789326).

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

1481669874 is a wasteful number, since it uses less digits than its factorization.

1481669874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1198 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1481669874 is about 38492.4651587814. The cubic root of 1481669874 is about 1140.0322844043.

The spelling of 1481669874 in words is "one billion, four hundred eighty-one million, six hundred sixty-nine thousand, eight hundred seventy-four".