1478668741 has 4 divisors (see below), whose sum is σ = 1613093184. Its totient is φ = 1344244300.

The previous prime is 1478668669. The next prime is 1478668757.

1478668741 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1478668741 - 2⁷ = 1478668613 is a prime.

It is a super-2 number, since 2×1478668741² = 4372922491221050162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478668771) 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 3 ways as a sum of consecutive naturals, for example, 67212205 + ... + 67212226.

It is an arithmetic number, because the mean of its divisors is an integer number (403273296).

Almost surely, 2^1478668741 is an apocalyptic number.

1478668741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1478668741 is a deficient number, since it is larger than the sum of its proper divisors (134424443).

1478668741 is a wasteful number, since it uses less digits than its factorization.

1478668741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134424442.

The product of its digits is 1806336, while the sum is 52.

The square root of 1478668741 is about 38453.4620157925. The cubic root of 1478668741 is about 1139.2620495972.

The spelling of 1478668741 in words is "one billion, four hundred seventy-eight million, six hundred sixty-eight thousand, seven hundred forty-one".