1442347474 has 4 divisors (see below), whose sum is σ = 2163521214. Its totient is φ = 721173736.

The previous prime is 1442347471. The next prime is 1442347483. The reversal of 1442347474 is 4747432441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4747432441 = 53 ⋅89574197.

It can be written as a sum of positive squares in only one way, i.e., 1376039025 + 66308449 = 37095^2 + 8143^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1442347471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360586867 + ... + 360586870.

Almost surely, 2^1442347474 is an apocalyptic number.

1442347474 is a deficient number, since it is larger than the sum of its proper divisors (721173740).

1442347474 is an equidigital number, since it uses as much as digits as its factorization.

1442347474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721173739.

The product of its digits is 301056, while the sum is 40.

The square root of 1442347474 is about 37978.2500123426. The cubic root of 1442347474 is about 1129.8565286300.

The spelling of 1442347474 in words is "one billion, four hundred forty-two million, three hundred forty-seven thousand, four hundred seventy-four".