1420754743 has 4 divisors (see below), whose sum is σ = 1422255960. Its totient is φ = 1419253528.

The previous prime is 1420754737. The next prime is 1420754759. The reversal of 1420754743 is 3474570241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3474570241 = 31 ⋅112082911.

It is a cyclic number.

It is not a de Polignac number, because 1420754743 - 2⁵ = 1420754711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420754143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749188 + ... + 751081.

It is an arithmetic number, because the mean of its divisors is an integer number (355563990).

Almost surely, 2^1420754743 is an apocalyptic number.

1420754743 is a deficient number, since it is larger than the sum of its proper divisors (1501217).

1420754743 is an equidigital number, since it uses as much as digits as its factorization.

1420754743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501216.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 1420754743 is about 37692.9004323095. The cubic root of 1420754743 is about 1124.1899664884.

The spelling of 1420754743 in words is "one billion, four hundred twenty million, seven hundred fifty-four thousand, seven hundred forty-three".