1420404746 has 16 divisors (see below), whose sum is σ = 2208155040. Its totient is φ = 684443760.

The previous prime is 1420404737. The next prime is 1420404749. The reversal of 1420404746 is 6474040241.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420404749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341 + ... + 54111.

It is an arithmetic number, because the mean of its divisors is an integer number (138009690).

Almost surely, 2^1420404746 is an apocalyptic number.

1420404746 is a deficient number, since it is larger than the sum of its proper divisors (787750294).

1420404746 is a wasteful number, since it uses less digits than its factorization.

1420404746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45349.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 1420404746 is about 37688.2574020079. The cubic root of 1420404746 is about 1124.0976457386.

Adding to 1420404746 its reverse (6474040241), we get a palindrome (7894444987).

The spelling of 1420404746 in words is "one billion, four hundred twenty million, four hundred four thousand, seven hundred forty-six".