420737 has 2 divisors, whose sum is σ = 420738. Its totient is φ = 420736.

The previous prime is 420731. The next prime is 420743. The reversal of 420737 is 737024.

It is a balanced prime because it is at equal distance from previous prime (420731) and next prime (420743).

It can be written as a sum of positive squares in only one way, i.e., 361201 + 59536 = 601^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 420737 - 2⁸ = 420481 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420737.

It is not a weakly prime, because it can be changed into another prime (420731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210368 + 210369.

It is an arithmetic number, because the mean of its divisors is an integer number (210369).

2⁴²⁰⁷³⁷ is an apocalyptic number.

It is an amenable number.

420737 is a deficient number, since it is larger than the sum of its proper divisors (1).

420737 is an equidigital number, since it uses as much as digits as its factorization.

420737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 420737 is about 648.6424284612. The cubic root of 420737 is about 74.9325022352.

The spelling of 420737 in words is "four hundred twenty thousand, seven hundred thirty-seven".