1420744627 has 4 divisors (see below), whose sum is σ = 1495520680. Its totient is φ = 1345968576.

The previous prime is 1420744613. The next prime is 1420744631. The reversal of 1420744627 is 7264470241.

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-1420744627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420744687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37387998 + ... + 37388035.

It is an arithmetic number, because the mean of its divisors is an integer number (373880170).

Almost surely, 2^1420744627 is an apocalyptic number.

1420744627 is a deficient number, since it is larger than the sum of its proper divisors (74776053).

1420744627 is an equidigital number, since it uses as much as digits as its factorization.

1420744627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74776052.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 1420744627 is about 37692.7662423442. The cubic root of 1420744627 is about 1124.1872983449.

The spelling of 1420744627 in words is "one billion, four hundred twenty million, seven hundred forty-four thousand, six hundred twenty-seven".