1474147 has 4 divisors (see below), whose sum is σ = 1479640. Its totient is φ = 1468656.

The previous prime is 1474141. The next prime is 1474159. The reversal of 1474147 is 7414741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1474147 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1474147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1474141) 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, 2322 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (369910).

2^1474147 is an apocalyptic number.

1474147 is a deficient number, since it is larger than the sum of its proper divisors (5493).

1474147 is an equidigital number, since it uses as much as digits as its factorization.

1474147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its digits is 3136, while the sum is 28.

The square root of 1474147 is about 1214.1445548204. The cubic root of 1474147 is about 113.8099583268.

Adding to 1474147 its reverse (7414741), we get a palindrome (8888888).

The spelling of 1474147 in words is "one million, four hundred seventy-four thousand, one hundred forty-seven".